一、根据句意及所给中文提示、英文解释或首字母，写出句中所缺单词，每空限填一词。
1. In space, a sleeping bag is fixed to the wall to prevent (飘浮).
2. I couldn't fall asleep because the bed was so (不舒服的).
3. According to the new law, all the (乘客), both the front and the back, should wear the seat belts.
4. Mother's Day is coming. The card is (专门地) made for my mother.
5. Our earth is becoming more and more (被污染的).
6. The bus is so (having a lot of people) that you can't find any more room.
7. Mr Green drives his car carefully at a s of 80 km per hour.
8. When you c Western culture with Chinese culture, you'll find many differences.

一、1. floating 2. uncomfortable 3. passengers
4. specially 5. polluted 6. crowded 7. speed
8. compare

二、用括号中所给词的适当形式填空。
1. The gravity on the earth can prevent people from (float) away into the sky.
2. (2025·江苏南京一中调研改编)The Everland Theme Park is (crowd) with visitors every day.
3. This kind of uniform (design) for firefighters to wear when they put out fires.
4. Our teacher told us the earth (circle) around the sun.
5. It's hard (imagine) what life would be like without water or electricity.

二、1. floating 2. crowded 3. is designed 4. circles
5. to imagine

三、单项选择。
()1.(2025·江苏南京树人中学调研)Sending people to Mars happen if scientists find ways to supply humans with enough air, water and food.

A.can
B.must
C.should
D.need

三、1. A 【点拨】can 能够，可以；must 必须；should 应该；need 需要。根据“if scientists find ways to supply humans with enough air, water and food”可知，此处指如果条件能达到，把人类送上火星这件事就会发生。故选 A。

()2. with the price of houses, the price of cars has become a little lower recently.

A.To compare
B.Comparing
C.Compared
D.To be compared

2. C 【点拨】根据“______ with the price of houses”可知，主语“the price of cars”被拿来与房价作对比，应用动词的过去分词 compared。故选 C。

()3.My bedroom is about of the size of yours.

A.three fourth
B.three four
C.third four
D.three fourths

3. D 【点拨】句意：我的卧室是你的卧室的大约四分之三大。分数的表达方式为：分子用基数词，分母用序数词，当分子大于 1 时，分母后加 -s。故选 D。

()4.—This small town is developing so fast these years.
—Yes. But at the same time, the air is getting polluted.

A.more and most
B.most and most
C.more and more
D.much and more

4. C 【点拨】固定结构“more and more + 形容词/副词原级”表示“越来越……”。故选 C。