5. You are standing too near the camera. Can you move a little (far) ?
5. farther/further結合句意"你能不能離得稍遠點兒"知，是相對的距離，因此用比較級形式；a little或a bit都可以修飾比較級。
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3. 隨著時間的推移，他發現和她相處變得越來越難。
As time went by,he found it to get along with her.
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10. If the manager has to choose between the two,he would say John was (good) choice.
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There are many interesting science experiments out there for young kids. You can surprise your friends and teachers with them. All you have to do is to put a little effort into it and you should have no problem coming up with an in?teresting science experiment. One such experiment is to show your friends and teachers that you can make mothballs (棒腦丸) dance!If you want to do it,first,be sure that you have got all the necessary sci?ence kits for your science experiment.
What you need for this experiment is a glass filled half full with water. Add a little bit of vinegar to your glass of water,about 1/3 or 1/4 of a cup (60 ml) ,and one teaspoon (10 ml) of baking soda,and then carefully stir the mix?ture. Drop a few mothballs into the glass and have your audience watch. As long as the surfaces of the mothballs become fairly rough,they should begin to bounce up and down in the glass.
You can also do a similar experiment with raisins (葡萄干) and clear pop,such as Sprite. In this experiment,all you have to do is to fill a glass with Sprite and drop a few raisins into it. The raisins should begin to bounce up and down in the glass of Sprite. You can also replace the raisins with mothballs and you should get the same effect in the Sprite. This project works because the irregular surfaces of the mothballs and the raisins hold some C02 bubbles (氣泡) ，causing them to bounce up and down in a dancing motion.
1. The writer writes this passage to .
A. explain why some science experiments are easy
B. encourage people to spend more time on science
C. tell us how good he is at doing science experiments
D. teach kids how to do an easy and interesting science experiment
2. What is the most probable name of the experiment?
A. Producing mothballs.
B. Dancing mothballs.
C. Changing mothballs.
D. Swimming mothballs.
3. Which of the following things are needed in the experiment?
a. baking soda b. water c. mothballs
d. salt e. vinegar f. sugar
A. beef B. acde
C. abed D. abce
4. The underlined word "pop" in Paragraph 4 probably refers to a .
A. mothball
B. kind of vinegar
C. drink with bubbles
D. special kind of raisin
5. From the last paragraph we can know .
A. why Sprite has some C02 bubbles
B. what people usually use Sprite for
C. what scientists usually do with raisins
D. why the mothballs bounce up and down
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3. ―Mum,I have been admitted into Hong Kong University.
―Well done!I'm so (pride) of you.
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7. The programme is (design) to help children who have dropped out of school because of being poor.
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5. ―Listen!There (the bell;go) . Let's hurry. ―Oh,yes. Has the teacher come yet?
―Look!Here (he;come) .
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5. Sometimes the badly students do in their exams,the less confidence they get in their study.
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