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The history of transportation is very long and full of changes and inventions. It starts 【C1】______walking, which is not any inv
The history of transportation is very long and full of changes and inventions. It starts 【C1】______walking, which is not any inv
admin
2016-11-03
36
问题
The history of transportation is very long and full of changes and inventions. It starts 【C1】______walking, which is not any invention; it just takes energy. People used to walk to get to other places. If you wanted to get somewhere quickly, the【C2】______ way to do that was to run. Actually, the first invention for transportation【C3】______ was the shoe. Centuries ago there were no shoes, and people walked barefoot.
Then people invented【C4】______ to transport themselves and materials from one place to another. In some cultures, people invented sledges (雪橇),【C5】______ are a kind of board that you drag along the ground. You can tie things on the sledge to help carry them, but it’s a challenging invention【C6】______ if you hit a rock with the sledge as you pull it, the contents can 【C7】______ In other cultures, people invented the wheel, which they used to make it easier to move things—and people. That was the beginning of many innovations in transportation.
【C8】______ people had wheels they could invent other ways to travel. They could put the wheel on a board and make it a wagon, and then they could【C9】______ that wagon to an ox or a horse and ride as well as carry materials. That wheel led to【C10】______ we have today: trucks, automobiles, and even boats and planes. For example, there were steamboats that used giant wheels that turned with blades, pushing the water and pushing the boat forward.
【C5】
选项
A、what
B、when
C、where
D、which
答案
D
解析
本题考查的是关系代词。原句是非限定性定语从句,what不引导非限定性定语从句;when指时间;where指地点;which指物。此句中,先行词是sledge,是物,用which最合适。故选D。
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在职申硕(同等学力)英语
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