4. What is troubling him is he has a large bill to pay at the end of this month.
4. that根據語境和句子結構可知，is后面是一個表語從句，而表語從句中不缺少任何成分，因此用that。
題目來源：2015年全品作業本高中英語必修1外研版 > Module 4 A Social Survey-My Neighborhood
輕巧奪冠周測月考直通名校系列答案科目：高中英語 來源： 題型：
假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。
增加：在缺詞處加一個漏字符號(A) ，并在其下面寫出該加的詞。刪除：把多余的詞用斜線(\) 劃掉。
修改：在錯的詞下畫一橫線，并在該詞下面寫出修改后的詞。注意：1. 每處錯誤及其修改均僅限一詞；
2. 只允許修改10處，多者(從第11處起) 不計分。
I will share with you a story happened a few days ago. One of my classmate bought a bag of snacks from a food store. A few roommates were then invited to enjoy snacks. Unluckily,all of them got poisoned and had stomach aches with our faces pale. They are quickly sent to a nearby hospital. Doctors examined them but gave them some medicine. They were out of dan?ger soon before taking the medicine. This accident should make us to realize the seriousness of the food safety problem. I strong suggest that the whole so?ciety pays more attention to food safety.
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8. My parents have been married for nearly twenty years,and they (never argue) with each other once.
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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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1. Don't worry. There is no e in the wire (電線) .So it is safe to touch it.
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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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