Exploring _____space is exciting, yet dangerous. There is _____need for both rob
题型：不详难度：来源：
Exploring _____space is exciting, yet dangerous.
There is _____need for both robots and humans for space exploration.| A．the; a | B．a; a | C．/; a | D．/; the |
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答案
| C |
解析
| 该题考查冠词的用法。本题中space是不可数名词，此前不可加冠词；need是可数名词，此处表示泛指，所以要用不定冠词。因此该题最佳答案是C。 |
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