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【判断题】
换,动态元件中已经原始能量。换,若外激励等于 零 ,仅在动态元件 原始能量 作用下所引起的电路响应,称为 零状态 响应。A.
正确
B.
错误
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【单选题】Before welding you should ask for the chief engineer's permission. 02010515
A.
You should ask for the second engineer's permission before welding.
B.
You should ask for the chief officer's permission before welding.
C.
You cannot start your welding until you get the permission from the chief engineer.
D.
You should ask for the captain's permission before welding.
【简答题】阅读理解。 The other day Roy Price went 'home' to his sister's house. It's her home, but it's also the house he was born in. Pat, his sister kissed him and said, 'You haven't changed much, Roy. Let me see,...
【单选题】Which of the following is NOT solid state welding? ( )
A.
Diffusion welding
B.
Cold welding
C.
Resistance welding
D.
Friction welding
【单选题】What’s the basis of creating the welding procedure?
A.
Welding procedure qualification record (WPQR)
B.
Welding procedure qualification
C.
Welding production
D.
Welding processes
【简答题】What is s ubmerged arc welding ?
【简答题】听第9段材料，回答第13 ~16题。 13. Where are Roy and Rock? [A] In Roy's office. [B]In Rock's house. [C]In a classroom.
【单选题】听力原文：Wasn't Roy Evan's last performance well received by the audience? (A) Yes, it's on the first page of every newspaper. (B) We invited a lot of guests. (C) It all depends on the situation. (4)
A.
B.
C.
【单选题】It can be learnt from the text that Georgia's Governor Roy Barnes ______.
A.
is in tyrannous control of the GRTA board.
B.
cuts an impressive nonconformist image.
C.
is bound to win the reelection coming up.
D.
channels part of funds to his personal assets.
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