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【单选题】
火力发电厂中,汽轮机是将( )的设备。A.
热能转换为机械能
B.
热能转变为动能
C.
机械能转变为电能
D.
热能转变为电能
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举一反三
【单选题】Don't when you speak English. you begin, you can take a deep brea th. [ ]
A.
shy, After
B.
be shy, Before
C.
be shy, After
D.
shy, Before
【单选题】You need to consider all the following issues before you begin preparing a presentation EXCEPT ______.
A.
whether you are speaking with visual aids
B.
the specific purpose of the talk
C.
whether the audience is general
D.
whether the audience is interactive
【单选题】Before you begin writing your presentation, what should you consider?
A.
The cost of giving the presentation
B.
The overall aim of the presentation
C.
The outline of the presentation
D.
How you will reach the venue
【简答题】You have _______ minute to write notes before you begin.
【单选题】Let her ______ her ideas for a while before you begin asking questions.
A.
talked out
B.
talks out
C.
talking out
D.
talk out
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