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【判断题】
标注完组合体的定形尺寸及定位尺寸后,必须增加三个总体尺寸。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】阅读短文，根据其内容回答问题。 Have you heard the expression “You are what you eat”? Well, do you like who you are? If not, break some bad eating habits and feel better about yourself. Bad habit 1: Many people often...
【简答题】W: Bill, have you heard the latest news? It appears we two won’t be laid off after all. M: Oh, I’m somewhat tired of working here. I’ve been wondering whether I should resign. Anyway, the news seems t...
【简答题】阅读理解。 How many times have you heard the expression that most people spend more time planning their vacation than they do planning their lives? I would expand that expression by adding that most people...
【单选题】Have you heard the news______ the Chinese athletes won 165 gold medals at the 15th Asian games?
A.
whether
B.
what
C.
which
D.
that
【单选题】已知 u1=100sin ( ωt+10 °)V, u2=200sin ( 2ωt+40 °)V,则在相位上 ______ 。
A.
u1 滞后 u2 ，角度为 30 °
B.
因为幅度不同，故二者不能比较
C.
U1 超前 u2 ，角度为 30 °
D.
因为频率不同，故二者不能比较
【单选题】听力原文：M: Have you heard the weather report today? W: Yes. It says that the sandstorm is going to be very bad and we're advised to stay indoors. What is the woman talking about?
A.
Indoor activities.
B.
The seriousness of the sandstorm.
C.
A terrible thunderstorm.
D.
Weather conditions in the next few days.
【单选题】— Have you heard the news that the May Day 'golden week' holiday will be cancelled? — Yes, actually I got it on TV last night. I _______ TV for almost one week. [ ]
A.
haven't watched
B.
didn't watch
C.
hadn't watched
D.
don't watch
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