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【单选题】
引起水体富营养化的主要元素是 : ( )A.
硫、磷
B.
氮、磷
C.
钙、镁
D.
氮、镉
E.
钾、钠
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举一反三
【单选题】Had you prepared for your lecture, you______ more fluently.
A.
should have spoken
B.
would have spoken
C.
would speak
D.
had spoken
【简答题】某噬菌体可以携带供体DN段进入受体细胞中,但不能进行复制,这种噬菌体称为__________。
【单选题】______ you ______ any doubt on the delivery receipt, contact us at 4008 9666.
A.
Should; have
B.
In case; had
C.
If; had
D.
Have; had
【单选题】I should like to ______ to the theater with you yesterday, but I didnt have time.
A.
go
B.
have gone
C.
going
D.
be going
【简答题】任何要迅速扩大经营规模的企业，都会遇到相当严重的现金短缺情况。（ ）
【单选题】— Do you like your school life? — It’s hard to say. If there were no _____ examinations, I should have ____ much happier time at school. [ ]
A.
an; a
B.
/;a
C.
a; the
D.
/; /
【单选题】下列说法不正确的是( )。
A.
盈利企业不可能发生资金流转困难
B.
损额小于折旧额，支付日常的开支通常并不困难
C.
任何要迅速扩大经营规模的企业，都会遇到相当严重的现金短缺情况
D.
亏损大于折旧的企业往往连被其它企业兼并，连减低盘进企业税负价值也没有
【简答题】Part B You should spend about 20 minutes on this task. It is often claimed that women have achieved greater and have access to the same opportunities as men. The pie charts below show some emp...
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