Heat is the the expansion of matter. A. reason for B. cause of C. cause to D. reason of 题目和参考答案——青夏教育精英家教网—

题目内容

Heat is the ________________ the expansion of matter.

A. reason for　　　　　　　　　　　　　　　　　　　　　　　　 B. cause of

C. cause to　　　　　　　　　　　　　　　　　　　　　　　　　　 D. reason of

答案：B
提示：

cause和reason作为名词，都有原因的意思。cause指客观存在的原因，即是造成一种事实或现象的“根本原因”，与effect（结果）相对。reason指推理上的理由，即说明一种看法或行为的“理由”。试比较：

This is the reason why Lucy was absent.

这是露茜给出的迟到的理由。

They still haven’t known what the cause of the fire is.

他们仍然不知道火灾的原因。

再者，reason和cause后面跟的介词不一样，reason后面跟for；cause后面要跟of。例如：

What’s your reason for your absence?

你缺席的理由是什么？

What’s the cause of the accident?

事故的原因是什么？

cause作及物动词，意为“引起；导致；造成”。cause可以直接跟名词或代词作宾语，也可以跟双宾语，cause还可以跟带to的不定式作宾语补足语。例如：

What he had said caused me to think of it.

他说的话使我想起了这件事。

The naughty boy caused his teacher a lot of trouble.

那个淘气的男孩给老师惹了很多麻烦。

Her speech at the meeting caused much discussion.

她在会议上的发言引起了很大争议。

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Getting enough water to survive is a major problem for all desert animals. Some desert animals, such as the kangaroo rat and the related jerboa, get water only from the food that they eat. Because these animals eat mainly dry seeds, they must survive on a tiny amount of water.
Most deserts have only a small number of frogs and toads because these animals must be near water to survive. Yet even these creatures have adapted to desert conditions. When small amounts of water collect in temporary streams, the desert-living frogs and toads become active. After a rainfall, they lay their eggs. The eggs grow into tadpoles in a few days and into adults in just four weeks. When the puddles dry up, the adult frogs or toads dig into the ground. Their metabolism(新陈代谢) slows, and they stay beneath the ground until the next rain, which may be as good as a year away. Until then, their bodily activities continue at a reduced rate.
The camel---often called the ship of the desert---is one of the most successful desert animals. Camels can go for long periods without water, but eventually they must drink. When water becomes available to them after a long drought, they may drink 95 liters of water or more. When water is not available, what helps camels survive the desert heat is the fat stored in their humps. A camel’s hump contains about 12 kilograms of fat. Fat is rich in hydrogen. As the fat is digested, hydrogen from the fat combines with oxygen in the air that the camel breathes. The result is H2O, or water. Each kilogram of fat that a camel digests produces about a liter of water.
71. Desert animals are usually more active at night because ______.
A. it is cooler at night           B.it is easier to find water
C.they like the dark            D. they are less likely to be attacked at night
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A. The camel.       B. The kangaroo rat.     C. The frog.      D. The toad
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A. All the desert animals rest during the day.
B. All the desert animals don’t rest during the day.
C. Cold-blooded desert animals don’t rest during the day.
D. None of the cold-blooded desert animals go out during the day.
74. The title for this passage could probably be ________.
A. Hot Deserts                         B. Desert Animals
C. How Desert Animals Get Water         D. Ways To Escape the Desert Heat
75. The underlined word “burrows” in the first paragraph can be replaced by _________.
A. holes     B. caves     C. rooms      D. Openings

　　Both warm-blooded and cold-blooded desert animals have ways to escape the desert heat. Warm- blooded desert animals, such as rats and mice, rest during the day, often staying in cool underground burrows. At night they search for food. Animals that are out during the day, such as cold-blooded lizards and snakes, are active only for short periods. As their body temperature rises, these reptiles（爬行动物） move into the shade in order to cool down. In the early evening, when the sun grows weaker, the reptiles become more active and begin their search for food again.

　　Getting enough water to survive is a major problem for all desert animals. Some desert animals, like desert birds, manage to find water holes. Other desert animals, such as the kangaroo rat and the related jerboa, get water only from the food that they eat. Because these animals eat mainly dry seeds, they must survive on a tiny amount of water.

　　Most deserts have only a small number of frogs and toads because these animals must be near water to survive. Yet even these creatures have adapted(适应) to desert conditions. When small amounts of water collect in temporary streams, the desert-living frogs and toads become active. After a rainfall, they lay their eggs. The eggs grow into tadpoles in a few days and into adults in just four weeks. When the puddles(水坑) dry up, the adult frogs or toads dig into the ground. Their metabolism(新陈代谢) slows, and they stay beneath the ground until the next rain, which may be as good as a year away. Until then, their bodily activities continue at a reduced rate.

　　The camel ― often called the ship of the desert ― is one of the most successful desert animals. Camels can go for long periods without water, but eventually they must drink. When water becomes available to them after a long drought, they may drink 95 liters of water or more. When water is not available, what helps camels survive the desert heat is the fat stored in their humps(驼峰). A camel’s hump contains about 12 kilograms of fat. Fat is rich in hydrogen. As the fat is digested, hydrogen from the fat combines with oxygen in the air that the camel breathes. The result is H2O, or water. Each kilogram of fat that a camel digests produces about a liter of water.

41. Desert animals are usually more active at night because _____.

　A. it is cooler at night B. it is easier to find water

　C. they like the dark D. they are less likely to be attacked at night

42. Which of the following desert animals can get water only from the food?

　A. The camel. B. The kangaroo. C. The frog. D. The rat.

43. Which of the following is TRUE according to the passage?

　A. All the desert animals rest during the day.

　B. All the desert animals don’t rest during the day.

　C. Cold-blooded desert animals are out most of the day.

　D. None of the cold-blooded desert animals go out during the day.

44. The title for this passage could probably be _____.

　A. Hot Deserts B. Desert Animals

　C. How Desert Animals Get Water D. Ways To Escape the Desert Heat

45. The underlined word “burrows” in the first paragraph can be replaced by _____.

　A. holes B. caves C. rooms D. openings

Both warm-blooded and cold-blooded desert animals have ways to escape the desert heat. Warm-blooded desert animals, such as rats and mice, rest during the day, often staying in cool underground burrows. At night they search for food. Animals that are out during the day, such as cold-blooded lizards and snakes, are active only for short periods. As their body temperature rises, these reptiles move into the shade in order to cool down. In the early evening, when the sun grows weaker, the reptiles become more active and begin their search for food again.

Getting enough water to survive is a major problem for all desert animals. Some desert animals, such as the kangaroo rat and the related jerboa, get water only from the food that they eat. Because these animals eat mainly dry seeds, they must survive on a tiny amount of water.

Most deserts have only a small number of frogs and toads because these animals must be near water to survive. Yet even these creatures have adapted to desert conditions. When small amounts of water collect in temporary streams, the desert-living frogs and toads become active. After a rainfall, they lay their eggs. The eggs grow into tadpoles in a few days and into adults in just four weeks. When the puddles dry up, the adult frogs or toads dig into the ground. Their metabolism(新陈代谢) slows, and they stay beneath the ground until the next rain, which may be as good as a year away. Until then, their bodily activities continue at a reduced rate.

The camel---often called the ship of the desert---is one of the most successful desert animals. Camels can go for long periods without water, but eventually they must drink. When water becomes available to them after a long drought, they may drink 95 liters of water or more. When water is not available, what helps camels survive the desert heat is the fat stored in their humps. A camel’s hump contains about 12 kilograms of fat. Fat is rich in hydrogen. As the fat is digested, hydrogen from the fat combines with oxygen in the air that the camel breathes. The result is H2O, or water. Each kilogram of fat that a camel digests produces about a liter of water.

71. Desert animals are usually more active at night because ______.

A. it is cooler at night B.it is easier to find water

C.they like the dark D. they are less likely to be attacked at night

72. Which of the following desert animals can get water only from the food?

A. The camel. B. The kangaroo rat. C. The frog. D. The toad

73. Which of the following is TRUE according to the passage?

A. All the desert animals rest during the day.

B. All the desert animals don’t rest during the day.

C. Cold-blooded desert animals don’t rest during the day.

D. None of the cold-blooded desert animals go out during the day.

74. The title for this passage could probably be ________.

A. Hot Deserts B. Desert Animals

C. How Desert Animals Get Water D. Ways To Escape the Desert Heat

75. The underlined word “burrows” in the first paragraph can be replaced by _________.

A. holes B. caves C. rooms D. openings

Both warm-blooded and cold-blooded desert animals have ways to escape the desert heat. Warm-blooded desert animals, such as rats and mice, rest during the day, often staying in cool underground burrows. At night they search for food. Animals that are out during the day, such as cold-blooded lizards and snakes, are active only for short periods. As their body temperature rises, these reptiles move into the shade in order to cool down. In the early evening, when the sun grows weaker, the reptiles become more active and begin their search for food again.

71. Desert animals are usually more active at night because ______.

A. it is cooler at night B.it is easier to find water

C.they like the dark D. they are less likely to be attacked at night

72. Which of the following desert animals can get water only from the food?

A. The camel. B. The kangaroo rat. C. The frog. D. The toad

73. Which of the following is TRUE according to the passage?

A. All the desert animals rest during the day.

B. All the desert animals don’t rest during the day.

C. Cold-blooded desert animals don’t rest during the day.

D. None of the cold-blooded desert animals go out during the day.

74. The title for this passage could probably be ________.

A. Hot Deserts B. Desert Animals

C. How Desert Animals Get Water D. Ways To Escape the Desert Heat

75. The underlined word “burrows” in the first paragraph can be replaced by _________.

A. holes B. caves C. rooms D. openings

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