摘要: Have the twins got any (have 作为 .表示“ )

网址:http://m.1010jiajiao.com/timu3_id_2366315[举报]

1Choose the words or expressions and complete the passage (选择最恰当的单词或词语,完成短文)

1.We have always been warned of the dangers of the forest fires. They cause     1    to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. But have you ever heard of a forest fire that can be     2     for a forest?

2.People start some of the fires with special reasons to actually do well to the eco-system.

3.In fact, fires are a natural part of any eco-system. Without fires, the oldest and largest trees would stop sunlight from reaching the forest floor. Fires can       3       some of these old trees. When the trees die, they provide something good for the earth. New trees can grow strong and healthy in their place.

4.Some trees even need fires to grow. These trees hold their seeds(种子) inside. Heats from a fire allow the coat of the seeds to open up. Then the seeds fall to the ground and have the 4 to grow.

5.Scientists, who know about nature’s needs, start some of these fires, called controlled burns. A fire is started and kept under control. This way, the fire does not spread out of the area or 5    a large space of the forest. Fires can be dangerous for animals. Even when animals continue to live after forest fires, they can go hungry   6     their food has been damaged in the fire. Small, controlled fires mean that animals will not have to move far to find food. After some time, small plants begin to grow. Animals return soon after the plants return. This   7  makes an eco-system.

6.So the next time you hear about a forest fire, think about the good as well as the bad. It may take a new eco-system a while to return, but it will likely come back stronger and healthier than ever.

1.A. illness            B. difficulty       C. damage      D. flood

2.A. helpful            B. powerful         C. harmful     D. awful

3.A. take the place of  B. get ready for    C. be bad for  D. get rid of

4.A. time               B. water            C. chance      D. skill

5.A. discover           B. cover            C. but         D. waste

6.A. because            B. although         C. but         D. so

7.A. almost             B. again            C. never       D. even

 

查看习题详情和答案>>

If you often have a cold, headache or backache, there is something wrong with your health. Eating healthy food 1   good for our health .Tofu(豆腐), milk, vegetables are healthy for us.

   Tofu is a kind of traditional(传统的)   2   food. We often   3   it in China. Now more and more people   4   other countries think tofu is good for health,  5  . They also like eating it.

   Milk is   6   kind of health food. Every day you should   7   one or two glasses of milk. It can   8   us strong.

Vegetables are very important. You should eat   9   them. There are vitamin(维他命) A, B, C, D , E and so on in them.

As we know, it’s important   10   a balanced diet(均衡饮食). We must have the right kinds of food. We should also eat some pork, chicken and beef. We should eat more fruit and vegetables but less meat.

1.A. are       B. is         C. will be    D. was

2.A. Japanese  B. American  C. English   D. Chinese

3.A. eat       B. drink      C. take     D. play

4.A. for       B. with       C. in       D. at

5.A. too       B. also       C. well   D. either

6.A. the other  B. other      C. another  D. others

7.A. drinking   B. drink     C. take     D. to take

8.A. keep      B. makes     C. keeps    D. keeping

9.A. a lot       B. plenty    C. much    D. lots of

10.A. making   B. to keep    C. keeping   D. to drink

 

查看习题详情和答案>>

We have always been warned of the dangers of forest fires. They cause _____ 85 _____ to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. But have you ever heard of a forest fire that can be _____86_____  for a forest? People start some of the fires with a special reason to actually do good to the eco-system.

In fact, fires are a natural part of any eco-system. Without fires, the oldest and largest trees would stop sunlight from reaching the forest floor. Fires can _____87_____ some of these old trees. When the trees die, they provide something good for the earth. New trees can grow strong and healthy in their place.

Some trees even need fires to grow. These trees hold their seeds (种子) inside. Heat from a fire allows the coat of the seeds to open up. Then the seeds fall to the ground and have the _____88____ to grow/

Scientist, who know about nature’s needs, start some of these fires, called controlled burns. A fire is started and kept under control. This way, the fire does not spread out of the area or _____89_____ a after forest fires, they can go hungry _____90_____ their food has been damaged in the fire. Small, controlled fires mean than animals will not have to move far to find food. After some time, small plants begin to grow. Animals return soon after the plants return. This _____91_____  makes an eco-system.

So the next time you hear about a forest fire, think about the good as well as the bad. It may take a new eco-system a while to return, but it will likely come back stronger and healthier than ever.

 

1.A) illness     B) difficulty      C) damage       D) flood

2. A) helpful    B) powerful      C) harmful       D) awful

3. A) take the place of    B)  get ready for     C)  be bad for      D) get rid of

4.A) time       B) water       C) chance       D) skill

5.A) discover    B) cover       C) but          D) waste

6. A) because    B) although      C) but         D) so

7.A) almost     B) again        C) never      D) even

 

查看习题详情和答案>>

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网