If China’s space technology has achieved ____ breakthrough in this field, it rea
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If China’s space technology has achieved ____ breakthrough in this field, it really is ____ amazing wonder. A.the; an | B.a; an | C.不填; the | D.a; 不填 |
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答案
B |
解析
考查冠词的用法:第一空填a,achieve a breakthrough,第二空填an,表示一个惊人的奇迹,句意是:如果中国的太空科技已经在这个领域取得了突破,真是一个惊人的奇迹。选B。 |
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