题目内容

【题目】 Our class teacher asked us .

A. why doesn’t Susan come for the picnic

B. why didn’t Susan come for the picnic

C. why Susan not come for the picnic

D. why Susan didn’t come for the picnic

【答案】D

【解析】

试题分析:句意:班主任问我们苏三为什么没来野餐。不管什么类型的宾语从句,总是用陈述语序,即:从句的连接词后是主语、谓语、宾语的语序,从句的时态要与主句的时态保持一致结合句意,故选D

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【题目】

The camel is one of the strangest and oldest animals living today. Scientists believe that millions of years ago, ancestors of camels lived in North America. There was a bridge of land over the Bering Strait that led to Asia. One group of the animals moved to Asia. These animals developed into camels of today. Another group went to South America. This group developed into the llama, an animal in the same family as the camel.

There are two types of camels, the dromedary and Bactrian. The dromedary has one hump and is found mostly in Arabian countries. The Bactrian camel has two humps and is found in Asian countries. All dromedary camels today is domesticated(驯养). Bactrian camels can still be found in the wild in areas of Mongolia and China. The Bactrian camel is shorter and heavier than the dromedary. Also, the pads on its feet are thicker so that it can walk in colder, rockier places than the dromedary.

The camel has many interesting characteristics. For example, unlike most animals, it lifts both feet on one side at the same time when it runs. This causes it to rock from side to side when it runs. Another unusual characteristic is the camel’s ability to eat almost everything if it becomes hungry enough. It might even eat part of a tent or a basket if it cannot find the grass it prefers.

Camels are the best pack animals in the world. They can carry things as heavy as 600 pounds 25 miles a day. They can also go without water for as long as two weeks in the winter.

You might think that a camel stores some food and water in its hump or humps. This is what human beings thought for many years, but it is not true. A camel’s hump is made up of fat and muscle. If a camel has to go without food for several days, it can use the fat in its hump for energy. The camel keeps water in its tissues and cells(组织细胞). Its body does not use the water to cool off the way the human body does. That is why a camel’s body temperature can change, by as much as 11℃.

1The dromedary and Bactrian camels have a lot of differences EXCEPT ____.

A.the places they live inB.the things they eat

C.the number of humpsD.the appearance they look

2Why does a camel rock from side to side when it runs?

A.Because it lifts both feet on one side at the same time.

B.Because it carries many heavy things every day.

C.Because it has too many things stored in his humps.

D.Because its pads on its feet are very thick and short.

3The underlined word “that” in Paragraph 5 refers to ____.

A.a camel stores some food and water in its humps

B.a camel’s hump is made of fat and muscle

C.a camel can use the fat in its hump for energy

D.a camel doesn’t use the water to cool off its body

4The purpose of this passage is mainly to ____.

A.talk about the importance of camels

B.advise people to come and play with camels

C.tell some facts about camels to people

D.teach people how to raise camels at home

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