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【单选题】
酿酒酵母是一种__________。A.
：单细胞真菌
B.
：多细胞真菌
C.
：单细胞细菌
D.
：多细胞细菌
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【单选题】The postman comes at 6:30 in the morning, ____ time I am usually fast asleep.
A.
when
B.
at which
C.
which
D.
that
【简答题】Look! Linda is running ________________(fast) and ________________(fast). I am sure she will win.
【单选题】I am busy ____ for the entrance examination, so I can’t help ____housework at home.
A.
.preparing; doing
B.
preparing; to do
C.
.to prepare; doing
D.
.to prepare; to do
【单选题】— Are you going to Beijing by plane? — It's fast, but expensive. So I am not sure. I_____ take a train. [ ]
A.
should
B.
may
C.
must
D.
will
【单选题】—“Crash diets” make us lose weight fast and I am all into that. —But it_______better to work out.
A.
had
B.
would be
C.
wouldn’t have been
D.
must have been
【简答题】阅读理解。 There's no doubt that fast food has become an important part of modern life, especially among agers. According to research, in the UK 80% of meals are eaten outside the home. And more than 5...
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