Laboratory work is your chance to learn science firsthand. It can be fun but you must be careful to prevent injury. Listen closely when your teacher reads and explains the rules before your first lab lesson.
LABORATORY RULES |
|
Throughout the lesson |
·Do not enter the science lab without the teacher’s permission. No food or drinks are to be allowed in the science lab. |
Before the Experiment |
·Read all instructions carefully before every experiment. · Prepare all apparatus(仪器)and arrange them so that you will not knock them over while doing the experiment. |
During the Experiment |
·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help. ·Never smell or taste chemicals unless your teacher gives permission. |
After the Experiment |
·Wash all apparatus after use and return them to the places where they were. ·Throw waste materials in proper waste baskets. |
First Aid |
·Report all accidents to your teacher immediately. ·If you spill(溅出)any chemicals onto your body or clothing, wash with plenty of water and report to your teacher. |
Your teacher will probably tell you the rules above ___________ the first lab lesson.
A.before | B.since | C.during | D.after |
Before every experiment, you should ___________.
A.taste the chemicals first |
B.clean all the apparatus |
C.read all instructions carefully |
D.report all the accidents to the teacher |
When you are not sure how to use all apparatus, ___________.
A.try them on your own | B.read the rules carefully |
C.ask your teacher for help | D.put them back |
It is clear that you can ___________.
A.bring food into the lab | B.enter the lab at any time |
C.smell chemicals as you like | D.learn science directly in the lab |
If you get chemicals on the clothing, you can find ways to solve it in the part ___________.
A.Before the Experiment | B.First Aid |
C.During the Experiment | D.After the Experiment |
A good way to pass an exam is to work hard every day in the year.You may fail in an exam if you are lazy for most of the year and then work hard only a few days before the exam.If you are taking an English exam,do not only learn rules of grammar.
Try to read stories in English and speak English whenever you can .A few days before the exam you should start going to bed early .Do not stay up late at night studying and learning things .Before you start to answer the questions,read carefully over the question paper.Try to understand the exact meaning of each question before you pack up your pen to write .When you have at last finished your exam,read over your answers .Correct the mistakes if there are any mistakes and make sure that you have not missed anything out.What is the passage about?
___________________________________________________.What will happen if you work hard only a few days before the exam?
____________________________________________________.What should we do before the exam?
_________________________________________________________.What should we do before answering the questions?
_________________________________________________________..What should we do after finishing the exam?
____________________________________________________.
Beijing Opera is also called Peking Opera.. It came into being after 1790 when the famous four Anhui opera troupe(戏班) came to Beijing. Its music and singing(唱腔) came from Xipi and Er-huang in Anhui and Hubei. Its costtumes are all fascinating and artistic.It is the highest expression of the Chinese culture. It’s full of famous stories , beautiful facial paintings, and wonderful gestures and fighting. This kind of opera is very popular with Chinese people.
There are four main roles in Beijing Opera: Sheng ,Dan, Jing and Chou. Sheng is the leading male(男性) actor。For example , a Wusheng is a soldier or fighter .A Xiaosheng is a young man . A Laosheng is the comedy actor or clown.Dan is the female (女性)role 。 Jing,mostly male , is the face-painted role and Chou is the comedy actor or clown.
Stories in Beijing Opera are very intetesting . Some of them are from the history book ,but most of them are from the literature , especially famous novels . The people in the story usually have some disagreements. They become angry and uhappy . They are sad and lonely . Sometimes they are nervous and worried. Then they find a way to make peace . The stories usually end with happiness and lunghter and people are all happy in the end..Beijing Opera’s singing is from _______.
A.Anhui and hubei | B.Beijing and Anhui |
C.the history book | D.the literature and novls |
.The second paragraph(段落) of the reading is about the______of Beijing Opera.
A.stories | B.roles | C.gestures | D.Paintings |
From the reading ,we know the the Chou most probably has a(n) _____feature.
A.honest | B.funny | C.dull | D.serious |
.Which of the following statements is TURE?
A. Peking Opera is full of different gestures. |
B. There are only four roles in Beijing Opera. |
C. Beijing Opera is the most popular in the world. |
D. The people in the story usually are in agreement. |
What role is Sheng ?
A.the eading male actor | B.the female role |
C.the comedy actor or clown. | D.the face-painted role |
Most people want to work, but in today’s word ,it is more difficult to find work for everybody.The economics of the world need to grow by 4% each year just to keep the old number of jobs for people.
Often this is not possible,and so more people are out of work.
Some people have no jobs now because new machines can do the work of many people do in a short time.Also, machines do not ask for more money and longer holidays. In all the countries of the world, machines are taking work from people ,not only in factories but also on the farms.
One machine can often do the work of forty people. About 75,000 people are moving to the cities a day to look for jobs ,but only 70% of them can find jobs .The economics of the world need to grow to______.
A.get more money | B.keep the old number of jobs of people |
C.make new machines | D.let people look for jobs |
Some people are out of work because _______.
A.of the machines |
B.they are old |
C.they ask for more money and longer holidays |
D.they want to move to the cities |
About machines,which of the following is NOT RIGHT?________.
A. Machines can do the work of many people do in a short time. |
B. Machines do not ask for more money and holidays. |
C. Two machines can do the work of eighty people. |
D. Machines cant’t take work from people at all. |
.How many people can’t find jobs every day _______?
A.75,000 | B.52500 | C.22500 | D.52500 |
.From the passage, we know _______.
A. it’s not possible for everybody to find work. |
B. Machines can only take work from people in factories. |
C. In the future , there will be enough jobs for everybody |
D. Machines will do the work instead of people |
Canada geese are large blue and white birds .When autumn arrives ,they have to fly south where the weather is warmer .The winters are so cold in Canada that the birds will die if they stay there .
Last spring ,Bill Lishman found sixteen young Canada geese on his farm “They had lost their parents , ”Bill thought . “These young birds won’t know what to do in the autumn .
Bill had a small plane and he decided to teach the birds to follow him .All through the summer ,he went on short trips in his plane and the young geese flew after him .”
When the cold weather arrived in autumn ,Bill flew to Virginia in the United States ,600 miles south from his home in Canada .The geese follwed him all the way .Bill flew to Virginia and returned home .
This spring ,Bill was waiting for the birds to come back .They didn’t arrive ,so Bill flew to Virginia to get them .He looked for them for two weeks but he couldn’t find them .
When he arrived back home ,Bill found the geese waiting for him .Then had found the way home without him ! Canda geese have to flly south______.
A.in spring | B.before autumn |
C.in the winter | D.after summer |
The young birds_____,so they could follow Bill to Virginia .
A.were well trained |
B.went on trips in Bill’s plane |
C.liked Bill |
D.lost their parents |
Bill took the birds to virginia because ______.
A.it’s warmer there |
B.it’s 600 miles away from his home |
C.he wanted the birds to fly after him |
D.it’s a beautiful place in the United States |
The birds returned to Bill’s home_______.
A.in Bill’s plane | B.by themselves |
C.in the winter | D.in the autumn |
.From the passage we can know that Bill _____.
A.likes the birds very much | B.in an American bird-lover |
C.stayed in Virginia with the birds | D.taught the birds to fly |
In 1620,about half the USA was covered by forests .Today the forests have almost gone .A lot of good land has gone with them ,leaving only sand .China doesn’t want to copy the USA’s example.We’re planting more and more tress .We’ve built the “Great Green Wall ”of tress across northern pat of our country .The “Great Green Wall”is 7,000 kilometers long ,and between 400 and 1,700 kilometers wide .It will stop the wind from blowing the earth away .It will stop the sand from moving towards the rich farmland in the south .More “Great Green Wall ”are needed .Trees must be grown all over the world. “Great Green Wall ”will make the world better .
根据短文内容,选择正确答案。In 1620 ,about_____ the USA was covered by forests
A.a third | B.half | C.to thirds | D.a fourth |
A lot of good land has gone with _____.
A.sand | B.water | C.wind | D.forests |
The “Great Green Wall”In China is _____long
A.7,000 kilometers | B.1,700 kilometers |
C.7,000 meters | D.400 kilometers |
Trees must be grown in _____.
A.China | B.the USA |
C.some countries | D.every part of the world |
_____ will make the world better .
A.the Great Wall | B.Tall buildings |
C.Great Green Wall | D.Flowers and glass |