题目列表(包括答案和解析)
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阅读回答问题
People and animals have had a close relationship for thousands of years. There are lots of differences between them, but in some ways the similarities are more interesting. Like humans, dolphins are very clever animals. They have been trained by people to help underwater engineers, and there are also several examples of dolphins saving people's life.
Dolphins often swim in groups of hundreds in number. They communicate with each other using many sounds. They also play-swimming, diving, and jumping out of the water together.
They are very friendly and helpful to each other when in trouble, and take good care of a wounded one. Female dolphins help each other when they are giving birth to new babies. Young dolphins stay with their mothers for several years, and even when they are grown up, they sometimes return to their mothers in times of unhappiness.
1.What's the main idea of the first paragraph?
2.What's the main idea of the second paragraph?
3.What are the similarities (相似之处) between people and dolphins?
a.________________________
b.________________________
c.________________________
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根据对话内容,填写适当单词补全对话(每空0.5 分,共5分)
A: 【小题1】____ me, could you ___【小题2】______ me the way to the nearest book shop, please?
B:Certainly. Go along this road and turn right ____【小题3】____ the traffic ____【小题4】___ .
Then walk on __【小题5】____ you reach the second crossing. And then turn left. You will see a bridge. Go across the bridge. You will find the shop __【小题6】__ the right. It's __【小题7】__ the post office __【小题8】____ the fruit shop. You can't _【小题9】___ it.
A:Thank you very much.
B:You're ___【小题10】___ .
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.
LABORATORYRULES
Throughout the lesson
·Do not enter the science lab without the teacher’s permission.·No food or drinks are to be alowed in the science lab.
Before the Experiment
·Read al instructions carefuly before every experiment.
·Prepare al apparatus(仪器)and arrange them so that you wil 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 smel or taste chemicals unless your teacher gives permission.
After the Experiment
·Wash al apparatus after use and return them to the places where they were.
·Throw waste materials in proper waste baskets. First Aid
·Report al accidents to your teacher immediately.
·If you spil( 溅 出 )any chemicals onto your body or clothing, wash with plenty of water and report to your teacher.
1. Your teacher wil probably tel you the rules above _____ the first lab lesson.
A. before B. since C. during D. after
2. Before every experiment, you should _____.
A. taste the chemicals first
B. clean al the apparatus
C. read al instructions carefuly
D. report al the accidents to the teacher
3. When you are not sure how to use al apparatus, _____.
A. try them on your own
B. read the rules carefuly
C. ask your teacher for help
d. put them back
4. It is clear that you can _____.
A. bring food into the lab
B. enter the lab anytime
C. smel chemicals as you like
D. learn science directly in the lab
5. 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
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