二、学贯中西。(根据中文填空)
1. We must ________ (节约能源).
2. Don't use ________ (太多) plastic.
3. The plastic bags ________ (对……有害) the Earth.
4. There is not much coal or oil ________ (在地球上).
5. Wood ________ (来自) trees.
6. We should not ________ (砍伐) too many trees.
1. We must ________ (节约能源).
2. Don't use ________ (太多) plastic.
3. The plastic bags ________ (对……有害) the Earth.
4. There is not much coal or oil ________ (在地球上).
5. Wood ________ (来自) trees.
6. We should not ________ (砍伐) too many trees.
答案:
1. save energy
2. too much
3. are bad for
4. on Earth
5. comes from
6. cut down
解析:1. “节约能源”译为“save energy”,must后接动词原形;2. “太多”修饰不可数名词plastic,用“too much”;3. “对……有害”译为“be bad for”,主语是复数,be动词用are;4. “在地球上”译为“on Earth”;5. “来自”译为“come from”,主语wood是不可数名词,谓语动词用第三人称单数comes;6. “砍伐”译为“cut down”,should not后接动词原形。
2. too much
3. are bad for
4. on Earth
5. comes from
6. cut down
解析:1. “节约能源”译为“save energy”,must后接动词原形;2. “太多”修饰不可数名词plastic,用“too much”;3. “对……有害”译为“be bad for”,主语是复数,be动词用are;4. “在地球上”译为“on Earth”;5. “来自”译为“come from”,主语wood是不可数名词,谓语动词用第三人称单数comes;6. “砍伐”译为“cut down”,should not后接动词原形。
三、查漏补缺。(用所给单词的适当形式填空)
1. We should learn how ________ (protect) our Earth.
2. There ________ (be) much water in the bottle now.
3. People shouldn't use too ________ (many) energy.
4. Too ________ (many) plastic bags are bad for our Earth.
5. Don't ________ (cut) down too many trees because they help keep the air clean.
6. Can you tell ________ (they) about Christmas?
7. We use wood ________ (make) tables,chairs and many other things.
8. ________ (not waste) water,please.
9. Let's collect some ________ (paper) and plastic bottles.
10. —What are you doing? —I'm ________ (chat) with my e-friend.
1. We should learn how ________ (protect) our Earth.
2. There ________ (be) much water in the bottle now.
3. People shouldn't use too ________ (many) energy.
4. Too ________ (many) plastic bags are bad for our Earth.
5. Don't ________ (cut) down too many trees because they help keep the air clean.
6. Can you tell ________ (they) about Christmas?
7. We use wood ________ (make) tables,chairs and many other things.
8. ________ (not waste) water,please.
9. Let's collect some ________ (paper) and plastic bottles.
10. —What are you doing? —I'm ________ (chat) with my e-friend.
答案:
1. to protect
2. is
3. much
4. many
5. cut
6. them
7. to make
8. Don't waste
9. paper
10. chatting
解析:1. “how to do sth.”表示“如何做某事”,用to protect;2. water是不可数名词,now表明用一般现在时,be动词用is;3. energy是不可数名词,用much修饰;4. plastic bags是可数名词复数,用many修饰;5. Don't后接动词原形cut;6. tell后接人称代词宾格them;7. “use sth. to do sth.”表示“用某物做某事”,用to make;8. 祈使句否定形式用Don't+动词原形,Don't waste;9. paper是不可数名词,用原形;10. 问句是现在进行时,答句也用现在进行时,chat的现在分词是chatting。
2. is
3. much
4. many
5. cut
6. them
7. to make
8. Don't waste
9. paper
10. chatting
解析:1. “how to do sth.”表示“如何做某事”,用to protect;2. water是不可数名词,now表明用一般现在时,be动词用is;3. energy是不可数名词,用much修饰;4. plastic bags是可数名词复数,用many修饰;5. Don't后接动词原形cut;6. tell后接人称代词宾格them;7. “use sth. to do sth.”表示“用某物做某事”,用to make;8. 祈使句否定形式用Don't+动词原形,Don't waste;9. paper是不可数名词,用原形;10. 问句是现在进行时,答句也用现在进行时,chat的现在分词是chatting。
四、精挑细选。(选择填空)
( )1. We can ______ to school.
A. by bus
B. on foot
C. take a bus
( )1. We can ______ to school.
A. by bus
B. on foot
C. take a bus
答案:
C
解析:句子缺少谓语动词,A和B是介词短语,不能作谓语,take a bus是动词短语,可作谓语,故选C。
解析:句子缺少谓语动词,A和B是介词短语,不能作谓语,take a bus是动词短语,可作谓语,故选C。
( )2. They use paper ______ clothes.
A. make
B. makes
C. to make
A. make
B. makes
C. to make
答案:
C
解析:“use sth. to do sth.”表示“用某物做某事”,用to make,故选C。
解析:“use sth. to do sth.”表示“用某物做某事”,用to make,故选C。
( )3. There are ______ plastic bags on the ground.
A. too many
B. too much
C. much
A. too many
B. too much
C. much
答案:
A
解析:plastic bags是可数名词复数,“太多”用too many修饰,故选A。
解析:plastic bags是可数名词复数,“太多”用too many修饰,故选A。
( )4. There ______ so many trees on Earth long long ago.
A. are
B. were
C. aren't
A. are
B. were
C. aren't
答案:
B
解析:时间状语“long long ago”表明用一般过去时,trees是复数,be动词用were,故选B。
解析:时间状语“long long ago”表明用一般过去时,trees是复数,be动词用were,故选B。
( )5. To protect the Earth,we ______ use paper bags and glass bottles.
A. should
B. shouldn't
C. can't
A. should
B. shouldn't
C. can't
答案:
A
解析:保护地球,我们“应该”使用纸袋和玻璃瓶,should符合语境,故选A。
解析:保护地球,我们“应该”使用纸袋和玻璃瓶,should符合语境,故选A。
( )6. How ______ the river is! There is lots of rubbish in it.
A. dirty
B. clean
C. rubbish
A. dirty
B. clean
C. rubbish
答案:
A
解析:河里有很多垃圾,说明河水“脏”,dirty符合,故选A。
解析:河里有很多垃圾,说明河水“脏”,dirty符合,故选A。
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