using the mirrors left on the lunar surface by the Apollo missions,
mirrors
allowing the Earth –Moon distance to be measured precisely by lasers,
it
has been determined by scientists that the moon is moving from the Earth
at the almost imperceptible rate of thte3e to four centimeters per year
.
1)
allowing
the Earth -Moon distance to be measured precisely by lasers
.it has been determined by scientists that the moon is moving
2)
allowing
that the Earth-moon distance can be measured precisely
lasers, scientists have been able to determine that the moon is moving
3) that allow the Earth-Moon distance to be
measured precisely by lasers ,it was determined byscientists that the
lasers ,it was determined by scientists that the Moon is moving away
4)
that
allow that the Earth-Moon distance can be measured pre3cisely by
lasers , scientisls were able to determine that the moon is moving away
I haven't seen the lost choice until now.
'Allow that' means: to accept that something is correct or true, or that something is acceptable according to the rules or law.
but I believe the 'away' between 'move' and 'from' is required(in choice B), and also the simple past tense in D is used incorrect.
so I agree that there is no right answer.
umm...有没有正确的题目倒是忘了...得去搜索一下。不过allow that后面的宾从确实是不用虚拟语气的。allow that的用法平时很多见的,一般是翻译为“承认,接受”.所以allow that在这个题目里面的用法不对。
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