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【单选题】
某电厂调峰机组燃用的无烟煤 K e =5 ,选用下列哪种制粉系统,既能适应煤种,运行又更经济A.
中速磨煤机直吹式系统
B.
双出钢球磨煤机直吹式制粉系统
C.
钢球磨煤机中间仓储式制粉系统
D.
高速磨煤机直吹式制粉系统
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举一反三
【单选题】--Nice to see you. I ______ you for a long time.--I ______ in Berlin. I've just got back.
A.
didn't see, am
B.
wasn't seeing, am
C.
hadn't see, have been
D.
haven't seen, was
【单选题】听力原文：W: I can't believe you got tickets for tonight's game. I've been trying for days. M: I must have just been in the right place at the right time. Q: What does the man mean? (19)
A.
He was lucky to get the tickets.
B.
He really enjoyed the game.
C.
He hopes to get a good seat at the game.
D.
He's surprised the woman wants to go with him.
【单选题】--Have you got the leaving time of the train for me? ---Yes, but you’d better ____of it by yourself.
A.
make sure
B.
be sure
C.
to make sure
D.
be certain
【简答题】请问EEPROM芯片第5、6管脚使用的______接口。
【单选题】—Nice to see you．I you for a long time． —I in Beijing．I’ve just got back．
A.
hadn’t seen；was
B.
haven’t seen；shall be
C.
haven’t seen；was
D.
didn’t see；have been
【单选题】Kate, have you _____ the party? It's time to go now. [ ]
A.
heard from
B.
got ready for
C.
waited for
【多选题】HW11 Chen: You are leaving for New York today I’m terribly sorry to see you go. Is there anything I can do for you before you ? White: Thank you for everything you have done for me during my stay in S...
A.
board the plane
B.
left a deep impression
C.
look me up
D.
gone through customs
E.
Bon voyage
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