完形填空,阅读下列短文，掌握其大意，然后从1—20各题所给的A、B、C、D四个选项中，选出最佳选项。
Hot lava flows down a Hawaiian mountainside. Farther up the slope, volcanologist（火山学家）Ken Hon picks his way slowly across the____surface. The hot lava（岩浆）is slippery to walk on. “It’s like walking on ice,” Hon says. “But the bottom part of your boots starts to____ a little. You’ll get burned____you fall.”
Hon plants his feet carefully and slowly. He’s____ data on the lava flowing out of Kilauea, a volcano that has been erupting since 1983. ____the lava’s movements can save lives on the slopes below. But Hon must be____. New waves of lava are flowing down toward him. Every few minutes he looks up to see ____the streams are and makes sure the____lava hasn’t cut off his escape route.
“It’s___out there, like the heat from an oven,” Hon says. “Up close, you have to wear firefighters’ clothes____the clothes you’re wearing don’t catch fire or melt.”
“Back in 1990, lava entered the town of Kalapana. The lava moved slowly but steadily,” Hon says. “We____ evacuate(疏散) people from about 150 homes. The lava____forward and consumed all of the houses.” ____, everyone escaped. But today Kalapana is buried under 30 feet of lava.
Volcanoes aren’t____to Hon. They’re fascinating and exciting. “My____thing is to come out at the edge of a lava lake. Sometimes I’ve had to sleep with a gas mask on.” Still, Hon knows how to keep____ and knows when the lava is ____. “All of a sudden, it gets really bright inside your____!” he says, laughing. But the____is worth it, because the more Hon and other scientists can____volcanoes, the safer they can keep the people who live around these powerful forces of nature.
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Tears slid down Ken's cheeks. Their newbom baby was removed from life supprt, taken back to her and her , Charlie. who held their baby. Austin was bom at 12:17 p.m. three months than he should have been. The length of a school ruler. he weighed one pound. nine ounces. Doctors tried that technology and medicine could offer at the baby, but Austin did not respond well. Austin's lung tissue (组织) had probably developing four weeks before. even still . his mother, because of an accident Zero chance of . It was time to let him go, and let him leave in his mother's arms － at peace and in no pain.
In the next few hours, Charlie's parents, and Ken's mother came to meet and say Austin. Charlie and Keri their eyes on the baby as he snuggled(依偎) into Keri's chest. The end, they believed. was coming . Nurse Melissa walked in every so often to check Austin's . If it was time for him t0 . his heart rate would begin to slow. After four hours, , Austin was still breathing. His heart thumped(跳动) at a healthy 120 beats per . He moved his head and wrapped his fingers and toes around the fingers of his . Four hours became five, then six. Austin and his parents remained still . Word about this baby had spread out. Everyone was talking about him. As the minutes and hours ticked away, Austin was going strong The tests showed a(n) level of carbon dioxide in his blood. which meant he was enough oxygen into his body. The clock passed midnight. Austin had the next day. Miracle. a life miracle!
A．Melissa B．Charlie C．Austin D．Keri
A．husband B．nurse C．doctor D．wife
A．sooner B．faster C．later D．earlier
A．something B．anything C．everything D．nothing
A．young B．tiny C．big D．sick
A．started B．stopped C．delayed D．continued
A．inside B．outside C．beside D．with
A．arrival B．approval C．death D．survival
A．hello to B．sorry to C．goodbye to D．yes to
A．put B．focused C．took D．had
A．steadily B．fast C．slowly D．soon
A．heartbeat B．mouth C．blood D．temperature
A．wash B．live C．die D．eat
A．however B．therefore C．meanwhile D．otherwise
A．second B．minute C．hour D．day
A．friends B．sisters C．relatives D．parents
A．crying B．waiting C．sitting D．sleeping
A．unsatisfied B．unacceptable C．normal D．excellent
A．losing B．getting C．making D．pouring
A．lived into B．waked up C．waited for D．suffered from
On a trip to California, my family stopped for lunch. As we walked toward the entrance to the restaurant, a man, with a beard and dirty hair, jumped up from a bench outside the restaurant and opened the door for us．Regardless of his , he greeted us in a friendly way.
Once inside, my daughters whispered, "Mom, he . " After we ordered our lunch, I explained, telling the kids to look the dirt. We then watched other customers approach the restaurant but many him. Seeing this rudeness truly upset me. The day I became a mother, I had determined to set a good to my children. Yet sometimes when things didn't go right, being a good example was . When our meal arrived, I realized I had left the car-sick pills in the truck．With the windiest trip ahead, the kids needed them, so I myself from the meal and went to get them.
Just then, the "doorman" was opening the door for a couple. They rushed past him without even acknowledging his . Letting them in first, I said a loud "thank you" to him as I .When I returned, we talked a bit. He said he was not allowed inside he purchased food . I went back and told my family his .Then I asked our waitress to add one soup and sandwich.
The kids looked as we had already eaten, but when I said the order was for the "doorman" , they smiled. When it was time to our trip, I found the "doorman" enjoying his meal. Upon seeing me, he stood up and thanked me heartily. He then out his hand for a handshake and I gratefully accepted. I suddenly the tears in his eyes—tears of gratitude (感激) .What happened next drew great astonishment: I gave the " doorman" a _ . He pulled away, with tears down his face.
Back in truck, I fell into deep thought．While we can't choose many things in life, we can choose when to show gratitude．I said thanks to a man who had held open a door for me, and also said thanks for that to teach my children by example.
A．messy B．clean C．pretty D．bright
A．service B．state C．appearance D．attitude
A．smokes B．smells C．sighs D．smiles
A．around B．over C．beyond D．into
A．ignored B．hated C．missed D．refused
A．target B．rule C．record D．example
A．stressful B．accessible C．awkward D．tough
A．excused B．refreshed C．prevented D．forgave
A．company B．presence C．challenge D．attack
A．quitted B．marched C．exited D．approached
A．before B．unless C．though D．since
A．story B．deed C．desire D．demand
A．concerned B．puzzled C．excited D．bored
A．make B．start C．continue D．take
A．waved B．washed C．raised D．reached
A．watched B．inspected C．witnessed D．noticed
A．hug B．nod C．lift D．strike
A．slipping B．rushing C．rolling D．breaking
A．firmly B．simply C．constantly D．politely
A．journey B．wisdom C．community D．opportunity
When I began teaching in a university, I was invited to a workshop for new professors. I had ____ a long time learning what to teach, but not learning how to ____ it. Somehow, my university seemed to hope a weekend spent with experienced professors would ____ for that. My colleagues presented wellcrafted lectures about the tools they used. I enjoyed their ___， but do not remember a thing they said.
At a coffee break during the lectures, finding myself ____， I turned to a mathematics professor standing nearby. I asked him what his favorite teaching ____ was. “A cup of coffee，” he said, “I talk too much and too fast in the classroom. Students sometimes have trouble ____ me. So when I've said____ that I want my students to think about, I would____ and take a sip of coffee. It lets what I've just said sink in.”
When we were called to the next talk, he put down his cup and I ____ there was not a trace of coffee in it. “My doctor ____ me to stop drinking coffee，” he explained. “So I have always used a(n)____ cup.” I decided to try his ____ in my class.
I took a cup of coffee with me to my next class. It helped. My pauses, as I ____ the coffee, not only gave my students ____ to think about what I had said, but gave me time to think about what I was going to say next. I began to use my ____ to look around the room to see how my students were reacting to what I had just said. When I saw their ____ wander, I tried to bring them back. When I saw them puzzled over some concept that I thought I had ____， I gave another example. My ____ became less organized and less brilliant, but my students seemed to ____ me better.
A．wasted B．cost C．killed D．spent
A．manage B．copy C．teach D．consider
A．put up B．build up C．take up D．make up
A．experiences B．plans C．presentations D．designs
A．alone B．absent C．lonely D．awkward
A．method B．material C．tool D．skill
A．following B．grasping C．seizing D．imitating
A．everything B．something C．nothing D．anything
A．pretend B．stop C．prevent D．delay
A．observed B．noticed C．glared D．proved
A．suggested B．protected C．allowed D．advised
A．empty B．clear C．large D．false
A．discovery B．invention C．magic D．idea
A．dropped B．made C．drank D．changed
A．space B．time C．room D．schedule
A．chances B．pauses C．situations D．conditions
A．attention B．focus C．energy D．devotion
A．translated B．expected C．explained D．solved
A．speeches B．memories C．documents D．lectures
A．realize B．understand C．admit D．admire
As a teaching student, I was sent on my first practice at a high school．During my practice, I realized high school hadn't changed since I was there and still an awful place of Cliques（派系）．
Jess, a Year 8 student, always respected her classmates, the lack of respect she usually received in return．Kids constantly laughed at her behind her back．As a teacher, your instinct（本能） is to students like Jess, but you soon realize that there's only so much you can actually do．
Tyson was at the end of the scale（等级）．A handsome Year 12 student, and always surrounded by mates, it was clear that he was a confident and popular young man．
When Jess asked to perform a solo act （独唱）in the school talent show, I to allow her to take the stage, fearing that she might face teasing．However, I knew that it would be unfair to say no on these grounds, so her name made it onto the list of ．
The day of the show, the whole school in the auditorium（礼堂）．Shortly after the acts began, it was Jess's ．Smiling, she stepped onto stage．The music started and, to my horror, she the first line of the song．She became confused , sang in the wrong key and forgot her lyrics （歌词）．As she struggled through the song, kids whispered and laughed．
Jess looked and was about to give up when the sound of somebody clapping along to the of the song began to rise above the crowd．It was Tyson．
He was clapping proudly and urged his friends to join in and, surprisingly, they did．
Slowly, from Tyson's group to the rest of Year 12, finally throughout the auditorium, the claps spread．
The smile on Jess's face that day is one that I'll never forget．Tyson changed my life by restoring my in the goodness of youth．
A．excitedly B．disappointedly C．gratefully D．curiously
A．in spite of B．owing to C．Apart from D．In addition to
A．dislike B．praise C．forgive D．protect
A．same B．right C．opposite D．general
A．agreed B．decided C．demanded D．hesitated
A．teachers B．classmates C．performers D．partners
A．watched B．collected C．marched D．celebrated
A．turn B．role C．step D．choice
A．passed B．sang C．remembered D．missed
A．hopeless B．guilty C．bored D．unprepared
A．sound B．meaning C．beat D．ring
A．touch B．faith C．strength D．power
It was already late when we set out for the next town, according to the map was about fifteen miles away on the other side of the .
There we felt that we would find a bed the night. Darkness fell soon after we left the village, but luckily we met as we drove fast along the narrow winding road that the hills. As we climbed , it became colder and rain began to fall, it difficult at times to see the road. I asked John, my companion, to drive more .
After we had traveled for about twenty miles, there was still no sign of the town which was on the map. We were beginning to get . Then without warning the car stopped. A quick showed that we had run out of petrol. Although we had little food with us, we decided to the night in the car.
Our meal was soon over. I tried to go to sleep at once, John, who was a sleeper, got out of the car after a few minutes and went for a walk the hills. Soon he came back. From the top of the hill he had seen, in the valley below, the of the town we were looking for. We at once unloaded all our luggage and with a great effort, to push the car to the top of the hill. Then we went back to the luggage, loaded the car again and set off down the hill. less than a quarter of an hour we were in the town, where we found a quite easily.
A．which B．it C．where D．that
A．rivers B．hills C．towns D．villages
A．surprised B．afraid C．pleased D．sure
A．at B．in C．through D．for
A．everybody B．somebody C．nobody D．anybody
A．got to B．arrived C．led to D．belonged to
A．taller B．higher C．lower D．faster
A．getting B．thinking C．causing D．making
A．certainly B．carefully C．slowly D．surely
A．marked B．set C．built D．drawn
A．excited B．worried C．cold D．warm
A．attention B．operation C．examination D．information
A．spend B．live C．spare D．stay
A．since B．though C．so D．but
A．quick B．fast C．poor D．heavy
A．across B．through C．down D．up
A．lights B．map C．bus D．situation
A．ought B．tried C．succeeded D．managed
A．For B．In C．Since D．At
A．policeman B．friend C．hotel D．cinema