One-third of the area ________ covered with t...

One-third of the area _____ covered with trees. About seventy percent of the trees _____ been planted recently.

A. is; have　　 　 　　 　 B. is; has

C. are; have　　 　　　 D. are; has

高一英语单项填空中等难度题查看答案及解析

One-third of the area ________ covered with trees. About seventy percent of the trees _______ been planted recently.

A．is; has            B．is; have           C．are; have          D．are; has

高一英语单项填空中等难度题查看答案及解析

One-fifth of the area ________ covered with trees. About seventy percent of the trees ________ been planted recently.

A.is; has B.are; have C.is; have D.are; has

高一英语单项填空中等难度题查看答案及解析

One-third of the country____ covered with trees and the majority of the citizens______ black people.

高一英语单项填空困难题查看答案及解析

One-third of the country _____ covered with trees and the majority of the citizens _____ black people.

A. is; are　　 　　 B. is; is

C. are; are　　 　 D. are; is

高一英语单项填空中等难度题查看答案及解析

One-third of the country ________ covered with trees and the majority of the citizens _______ black people.

A．is; are            B．is; is              C．are; are           D．are; is

高一英语单项填空简单题查看答案及解析

________of the land in that area________covered with trees and grass.

A．Two fifth；is                B．Two fifth；are

C．Two fifths；is               D．Two fifths；are

高一英语简单题查看答案及解析

A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below 16 ℃. Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate. Without the forest cover, these areas would reflect more heat into the atmosphere, warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns, potentially causing certain natural disasters all over the world.

In the past hundred years, humans have begun destroying rainforests in search of three major resources(资源): land for crops, wood for paper and other products, land for raising farm animals. This action affects the environment as a whole. For example, a lot of carbon dioxide (二氧化碳) in the air comes from burning the rainforests. People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.

There are two main reasons for this. Firstly, when people cut down trees, generally they can only use the land for a year or two. Secondly, cutting large sections of rainforests may provide a good supply of wood right now, but in the long run it actually reduces the world’s wood supply.

Rainforests are often called the world’s drug store. More than 25% of the medicines we use today come from plants in rainforests. However, fewer than l% of rainforest plants have been examined for their medical value. It is extremely likely that our best chance to cure diseases lies somewhere in the world’s shrinking rainforests.

1.Rainforests can help to adjust the climate because they 　　　　 .

A. reflect more heat into the atmosphere

B. reduce the effect of heat from the sun on the earth

C. bring about high rainfall throughout the world

D. rarely cause the temperature to drop lower than 16 ℃

2.What does the word “this” underlined in the third paragraph refer to?

A. Humans have begun destroying rainforests.

B. People have a strong desire for resources.

C. We will lose much more than we can gain.

D. Much carbon dioxide comes from burning rainforests.

3.What might be the best title for the text?

A. Rainforests and the Environment

B. How to Save Rainforests

C. How to Protect Nature

D. Rainforests and Medical Development

高一英语阅读理解中等难度题查看答案及解析

A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below 16℃．Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate．Without the forest cover, these areas would reflect more heat into the atmosphere, warming the rest of the world．Losing the rainforests may also influence wind and rainfall patterns, potentially causing certain natural disasters all over the world．

In the past hundred years, humans have begun destroying rainforests in search of three major resources（资源）: land for crops, wood for paper and other products, land for raising farm animals．This action affects the environment as a whole．For example, a lot of carbon dioxide（二氧化碳） in the air comes from burning the rainforests．People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit．

There are two main reasons for this．Firstly, when people cut down trees, generally they can only use the land for a year or two．Secondly, cutting large sections of rainforests may provide a good supply of wood right now, but in the long run it actually reduces the world’s wood supply．

Rainforests are often called the world’s drug store．More than 25% of the medicines we use today come from plants in rainforests．However, fewer than 1% of rainforest plants have been examined for their medical value．It is extremely likely that our best chance to cure diseases lies somewhere in the world’s reducing rainforests．

1.Rainforests can help to adjust the climate because they ______．

A．reflect more heat into the atmosphere

B．bring about high rainfall throughout the world

C．rarely cause the temperature to drop lower than 16℃

D．reduce the effect of heat from the sun on the earth

2.What does the word “this” underlined in the third paragraph refer to?

A．We will lose much more than we can gain．

B．Humans have begun destroying rainforests．

C．People have a strong desire for resources．

D．Much carbon dioxide comes from burning rainforests．

3.It can be inferred from the text that ______．

A．we can get enough resources without rainforests

B．there is great medicine potential(潜力) in rainforests

C．we will grow fewer kinds of crops in the gained land

D．the level of annual rainfall affects wind patterns

4.What might be the best title for the text?

A．How to Save Rainforests

B．How to Protect Nature

C．Rainforests and the Environment

D．Rainforests and Medical Development

高一英语阅读理解中等难度题查看答案及解析

A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃. Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate. Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world.

In the past hundred years，humans have begun destroying rainforests in search of three major resources（资源）：land for crops，wood for paper and other products，land for raising farm animals. This action affects the environment as a whole. For example，a lot of carbon dioxide in the air comes from burning the rainforests. People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.

There are two main reasons for this. Firstly，when people cut down trees，generally they can only use the land for a year or two. Secondly，cutting large sections of rainforests may provide a good supply of wood right now，but in the long run it actually reduces the world’s wood supply.

Rainforests are often called the world’s drug store. More than 25％ of the medicines we use today come from plants in rainforests. However，fewer than l％of rainforest plants have been examined for their medical value. It is extremely likely that our best chance to cure diseases lies somewhere in the world’s shrinking rainforests.

1.Rainforests can help to adjust the climate because they________.

A．reflect more heat into the atmosphere

B．bring about high rainfall throughout the world

C．rarely cause the temperature to drop lower than l6℃

D．reduce the effect of heat from the sun on the earth

2.What does the word “this” underlined in the third paragraph refer to?

A．We will lose much more than we can gain.

B．Humans have begun destroying rainforests.

C．People have a strong desire for resources.

D．Much carbon dioxide comes from burning rainforests.

3.It can be inferred from the text that________.

A．we can get enough resources without rainforests

B．there is great medicine potential in rainforests

C．we will grow fewer kinds of crops in the gained land

D．the level of annual rainfall affects wind patterns

4.Which of the following statements is TRUE?

A．Losing the rainforests has caused natural disasters all over the world.

B．Cutting rainforests will help increase the world’s wood supply in the future.

C．Rainforests can’t provide medical cures for diseases at all

D．Rainforests helps to control the temperature and adjust climate for humans.

5.What might be the best title for the text?

A．How to Save Rainforests

B．How to Protect Nature

C．Rainforests and the Environment

D．Rainforests and Medical Development

高一英语阅读理解中等难度题查看答案及解析