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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.
【小题1】 Your teacher wil probably tel you the rules above _____ the first lab lesson.
A.before | B.since | C.during | D.after |
A.taste the chemicals first |
B.clean al the apparatus |
C.read al instructions carefuly |
D.report al the accidents to the teacher |
A. try them on your own
B. read the rules carefuly
C. ask your teacher for help
d. put them back
【小题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 |
A.Before the Experiment |
B.First Aid |
C.During the Experiment |
D.After the Experiment |
先阅读短文,然后用下面方框中所给的单词或短语填空,使全文在逻辑上正确。(提示:选项中有一个是多余的。)
go back / mad / need / mind / hurry up / polite
We asked some people what annoyed them. Here’s what they said:
I don’t like waiting in line when a shop assistant has a long telephone conversation. When that happens, I usualy say, “Would you 1. helping me?”And I don’t like it when shop assistants folow me around. Then I say, “Could you please no folow me around? I’l ask you if I 2. some help.”Usualy the shop assistants say they are sorry, but sometimes they get 3.. If that happens, I won’t 4. to that store again.
I get annoyed when someone talks to me while I’m reading. This happens to me al the time in the school library. When it happens, I usualy talk to the person because I want to be 5.. But because I’m polite, people don’t know I’m annoyed. So they do the same thing again. Perhaps in the future I should try not to be so annoyed.
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Perhaps the only test score that I remember is the 55 when I was in high school.
The test was the final for a course. I remember waiting anxiously as my teacher Mr. Right passed out our papers one by one. It was a rather difficult test. I heard my classmates groaning, and I could tel by the groans that the scores weren’t looking good.
Mr. Right put my paper on my desk. There in big red numbers, circled to draw attention, was my score, 55!
I lowered my head, and covered the score up quickly. A 55 is not something that you wanted your classmates to see.“The scores were not very good, none of you passed,”Mr. Right said. “The highest score in the class was a 55.”
A 55. That’s me!
Suddenly my sad look didn’t look so bad. I had the highest score. I felt a lot better.
I walked home alone that day with the low but high score. My father knew that I had a big test that day and asked me as soon as I got home, “How did you do in your test?”“I made a 55,”I said.
A frown(皱眉)now stood on my father’s face. I knew I had to explain immediately. “But Dad, I had the highest score in the calss,”I proudly stated. I thought that explanation would make a difference.“You failed!”my father replied.“But it’s the highest!” I insisted.“I don’t care what scores others had, but you failed. What matters is what you do!”my father firmly said.
For years, my father was always that way. It didn’t matter what others did, it only mattered what I did and that I did it excelently.
We often don’t understand the wisdom(智慧)of good parents until we ourselves stand in the parents’shoes. My father’s words have carried me throughout life.
【小题1】 The word groaning is the closest in meaning to _____.
A.singing | B.laughing | C.complaining | D.quarreling |
A.lowered my head | B.covered my score up |
C.walked home alone | D.explained immediately |
A.I did a bad job in the test |
B.I gave a good excuse |
C.I became the worst student |
D.I stood in his shoes |
A.the father was strict with his child. |
B.the writer was always poor in tests. |
C.Mr. Right was worried about the writer |
D.the writer was always happy with his scores |
A.The Final Test | B.That’s Me! |
C.My strict Teacher | D.Scores, Important? |