题目内容
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[主观题]
采用分隔烟道挡板调温方式调节蒸汽温度时，在锅炉负荷下降过程中，应怎样调节过热蒸汽和再热蒸汽温度？
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Student A: Thanks a lot for what you have done for me. You've been very thoughtful.
Student B: ______.
更多“采用分隔烟道挡板调温方式调节蒸汽温度时，在锅炉负荷下降过程中…”相关的问题
第2题
-- You look very pale. You ______ very tired.-- I didn't sleep at all last night.A．must be
-- You look very pale. You ______ very tired.-- I didn't sleep at all last night.
A．must be
B．must have been
C．can be
D．can have been
第3题
Their efforts to improve the school education have been very ______（effect).
Their efforts to improve the school education have been very ______(effect).
第4题
Even if you had refused, the ______ would probably not have been very different.A．effectB．
Even if you had refused, the ______ would probably not have been very different.
A．effect
B．consequence
C．result
D．outcome
第5题
Even if you had refused, the ______ would probably not have been very different.A．effectB．
Even if you had refused, the ______ would probably not have been very different.
A．effect
B．consequence
C．result
D．outcome
第6题
With an eighty-hour week and little enjoyment, life must have been very for the students.A
With an eighty-hour week and little enjoyment, life must have been very for the students.
A．hostile
B．anxious
C．tedious
D．obscure
第7题
He fell asleep immediately last night. He ______ very tired.A．must beB．must have beenC．can
He fell asleep immediately last night. He ______ very tired.
A．must be
B．must have been
C．can be
D．could have been
第8题
—Well, the party is going very nicely, isn't it？ Have one of these cheese sandwiches . The
y taste good. —______
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A．Yes, I appreciate it
B．No, thanks
C．Very happy to have been here
D．So glad you enjoyed it
第9题
He fell asleep immediately last night. He ______ very tired.A．must beB．must have beenC．can
He fell asleep immediately last night. He ______ very tired.
A．must be
B．must have been
C．can be
D．could have been
第10题
His efforts to improve the sales of this product have been very （help) ______.
His efforts to improve the sales of this product have been very (help) ______.
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