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【判断题】
一般水分活度低于0.5后，微生物不生长，生化反应不发生。（）A.
正确
B.
错误
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【单选题】The woman has given up the idea of writing about the formation of Death Valley because
A.
the topic covers too much.
B.
she has not done much research on that.
C.
it is rather a hard topic.
D.
she can not find enough references.
【单选题】Banks prefer to give a loan to those who ______.
A.
are in need of start-up capital
B.
have the ability to pay it back
C.
own an old and large business
D.
haven't borrowed money before
【简答题】-----Where are the children? Professor Zhang has come and his speech will start soon. ------I wish they always late. A. hadn’t been C. wouldn’t be D. wouldn’t have been D. weren’t
【单选题】It gives his life a flying start ________ he has gone abroad for further education.
A.
what
B.
when
C.
that
D.
how
【单选题】-----Where are the children? Professor Zhang has come and his speech will start soon. ------I wish they always late.
A.
hadn’t been
B.
wouldn’t be
C.
wouldn’t have been
D.
weren’t
【简答题】What are the sacrifices one has to make to start up a business?
【单选题】A severe earthquake ________ Ya'an on April,20th, which has claimed 193deaths up to now.
A.
attacked
B.
hitted
C.
knocked
D.
struck
【简答题】地球上空的臭氧层能阻止 到达地球表面。
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