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【简答题】
计算或化简: (1)计算: ; (2)化简: 。
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【单选题】估计排卵日期,下列哪种检查方法最简单:
A.
尿孕二醇测定
B.
孕激素试验
C.
基础体温测定
D.
子宫内膜活检
E.
放免法测血浆中LH
【单选题】估计排卵日期,下列哪种检查方法最简单:
A.
尿孕二醇测定
B.
孕激素试验
C.
基础体温测定
D.
子宫内膜活检
E.
放射免疫法测血浆中LH
【判断题】Try sending a message to her, if she didn’t pick up your phone.
A.
正确
B.
错误
【单选题】______ is the most popular activity online.
A.
Sending pages of information
B.
Sending E-mail
C.
Surfing the net
D.
Selling the top spot
【单选题】(Para 7 考察点)Which of the words does not belong to the meanings of "appreciate"?
A.
recognize with gratitude, be grateful for
B.
be fully aware of
C.
value, treasure, hold dear
D.
awesome
【单选题】If you think sending short messages is too slow, why not try_____voice ones?
A.
to have sent
B.
to send
C.
to be sending
D.
sending
【简答题】用适当的短语完成句子。 hear about, millions of,  try doing sth. go around, more than, send sb.(a) message(s), try to do sth. 1. I haven't seen Tom for a long time, so I ______ him ______ . 2. The earth is a pl...
【简答题】阅读理解。 agers in England do much the same as children in America do. They enjoy sending messages by their mobile phones and they also like swimming, listening to the latest music, watching TV and su...
【判断题】Try sending a message to her, if she didn’t pick up your phone.
A.
正确
B.
错误
【简答题】2 间壁式换热器有哪几种主要形式?各有什么特点?
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