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1.the achievements of the greatest ____ in science could never have been rached _____ the patient work of hundreds of others.
a.men/ were it not for
b.women/ had it not been because
c.minds/had it not been for
d.young men or women/had it not been because of
2.why do you stand and ___ the milk ___ over?
a.see/boiling
b.notice/boiled
c.look at/boiled
d.watch/boiling
3.he is an outstanding scholar ____ his poor health.
a.except
b.besides
c.except for
d.except that
4.pkease try to find the record ___ the letter A
a.marked with
b.marked by
c.markig in
d.is making with
5.can you imagine ____ so great a wall by hand?
a.them building
b.them to built
c.they build
d.how they to build
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问题300177
价值：5