题目内容
The scientist ______ the stars in the sky for a long time and said that he ______ something very rare.
[ ]
A.observed…saw B.saw…found
C.watched…stared at D.fixed his eyes on…watched
答案:A
提示:
提示:
|
observe指“带有目的性的仔细观测”,watch指“带有警惕性的监看”,see指“视力所见的结果”。 |
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