语法填空,阅读下面短文，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Styrofoam is a plastic with a bad reputation.
It cannot be recycled without releasing(释放) dangerous (pollute)into the air. The U. S. Environmental Protection Agency
(say) it is the fifth largest creator of dangerous waste.
Scientists from the U.S. and China have discovered that mealworms can digest plastic. One mealworm can digest a pill-sized amount of plastic a day.
Study co-author Wei-Min Wu says that in 24 hours, the plastic (turn) into carbon dioxide.
Are the worms hurt by (eat)plastic? The study found that worms eating Styrofoam were as
(health)as worms eating bran(糠).
Styrofoam is a light-weight material, about 95 percent air, with very good insulation properties(绝缘性), according to Earthsource.org. It is used in products from (cup) that keep your drinks hot or cold to packaging material
protects items during shipping.
“Solving problem of plastic pollution is important. Landfill space is becoming limited.”says Wu, a Stanford University environmental engineering instructor.
About 33-million tons of plastic are thrown away in the United States every year. Plastic plates, cups and containers take 25 percent to 30 percent of space in America's landfills. One Styrofoam cup takes more than 1 million years
(recycle) in a landfill, according to Cleveland State University.
As is known to us all, a healthy body is important to every one of us．Onlykeeping ourselves healthy can we feel energetic and
（自信）in our daily studies and work．Doing sports is one of the best
to make us fit．Those who exercise
（有规律地）are in better shape．People’s tastes in sports are different．Some people love basketball w
others are in cycling．For some people, swimming is the best kind of sport,
and for others, they can’t i
their lives without the gym．Life is a movement and sport is the very thing
gives us an opportunity to move．I like running best．It h
me enjoy good health and keep a good mood to complete all those
（任务）of the day．
With the _________ (develop) of industry, air pollution is getting more and more serious. In Beijing, many people suffer different kinds of illnesses because
_________ air pollution.
Air pollution is caused by the following __________: about half of the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off
__________ (poison) gases.25% of air pollution is caused by factories. Another factor is the smokers. Smoking not only does harm to their health
__________ to others.
_________ these, about 10% of air pollution is caused by other reasons.
We should take some measures to fight __________ pollution. New fuel can be used to take
___________ place of gas. We can plant more trees. If everybody realizes the
__________ (important) of environment and does something to stop pollution, the problem will
_______ (solve) .
My father became （addict） to smoking cigarettes. As
result of smoking, he got lung cancer. And he was
danger of losing his life. His doctor didn’t allow him
(smoke) any more. My father had to take the doctor’s
(advise). As
as I know, smoking cigarettes has many other dangers to humans. Every year, a lot of people die of the illnesses or they’re
(serious) injured in fires
(cause) by smoking. And the number of people
lose their lives
(increase) at present. Therefore, I call on people to keep away from smoking.
It was Friday night and Mike was in his office, sad.
Jean,had been Mike’s friend for ten years,
(give)him a friendly call,” What are you going to do tomorrow?”
“Nothing.”
“Let’s go fishing. We haven’t donefor ages.”
Mike became very happy and accepted the invitation. So the two men went to Loire Riverfollowing day.
While waiting ,Mike said that his employees had been unhelpful, and he found it difficult(get) the results he wanted from them.
“What do you think about it?” asked Jean.
“Yeah, they never listen to me,” replied Mike while eating his bananas.
A couple of minutes(late), Mike put aside the bananas he’d been eating and shouted
(excited), “Great, a large fish!”
Jean smiled. He asked Mike, “What did you use your bait(鱼饵), the way?”
“A worm,” Mike replied. “Why didn’t you use your bananas? You’re very fond of them, aren’t you?”
“Well, my friend,I do love bananas, I’m not stupid enough to put them on as my bait.”
“So it’s not going to work?”
“No.”
“Why not use thecommon sense when fishing for people?”
When I was in junior high school, darkness began filling my mind. I don’t know the reason why it began. All I know is that I started f hopeless and worthless. I hid in my room, staring out of the window, thinking about all my
(失败). I even questioned whether being
(活着) was worthwhile. My dark mood wasn’t constant. It would fade at t
, but it always returned.
It was my parents and my friends that helped me ge the dark mood. At the beginning when I was depressed, I was
(尴尬) to tell anyone. I didn’t want to seem weak or needy. But later I found that when I told my friends my feelings, they never laughed at me. On the
, they supported and encouraged me. So remember: no one can face depression a
. If you’re depressed, find someone — a friend, parent or teacher — and tell them your feelings. Consider
a doctor or psychologist, if it is getting worse.
In fact, t depression affects many people all over the world, treatments are available and can bring hope and joy back into their life.