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【判断题】
晶闸管导通后控制极就无控制作用。A.
正确
B.
错误
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举一反三
【单选题】What does it mean for a presentation to be audience-centered?
A.
the presenter assumes what the audience wants to hear.
B.
the presentation is centered on the topic.
C.
the presenter researches the audience's demographics, needs, motivations and characteristics.
D.
the presenter lets the audience members ask questions at the end.
E.
the presentation starts off with audience questions.
【判断题】'To persuade my audience that capital punishment does not deter people from committing crimes such as murder: is a specific purpose statement for a persuasive speech on a question of policy.()
A.
正确
B.
错误
【单选题】The previous lecture focused on the reading problems in new words, while this lecture will turn to ________ in complex sentence structures. [ ]
A.
that
B.
one
C.
those
D.
ones
【简答题】()密钥加密，是指加密解密双方拥有不同的密钥。 A.软件 B.非对称 C.网络 D.对称
【单选题】_____ by a large audience, he felt very nervous and didn't know what to say.
A.
Watching
B.
Watch
C.
Watched
D.
Having watched
【单选题】Mike finds reading English newspaper _______, because there are lots of new words.
A.
frustrating
B.
exciting
C.
interesting
D.
happy
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