It may be another fifteen years before spacecraft from Earth again venture to Mars, a planet now known to be cold, dry, and probably lifeless.
(A) again venture to Mars, a planet now known to be
(B) venture to Mars again, a planet now known for being
(C) will venture to Mars again, a planet now known as being
(D) venture again to Mars, a planet that is known now to be(A)
(E) will again venture to Mars, a planet known now as being
答案A 这题不会。为什么不能用将来时呢?在飞船再到火星之前要花15年,飞船不是还没去吗?还有大全注释上说spacecraft复数,单复数对这题有什么影响吗?
用排除法的话可以得出 A,
a planet now known to be中省略 that is, be known to do固定短语,now 须放在动词之前
故只有A项符合
至于时态的问题我也搞不懂
还是请大N解答吧~~~~
用排除法的话可以得出 A,
a planet now known to be中省略 that is, be known to do固定短语,now 须放在动词之前
故只有A项符合
至于时态的问题我也搞不懂
还是请大N解答吧~~~~
好像是现在时态叙述宇宙飞船从地球到火星大概要15年。。。
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