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【单选题】
以下关于某办公建筑的螺杆式冷水机组制冷剂为R22、设计供回水温7/120C,机组和系统经过维护，满足运行要求)运行的说法，正确的为下列何项A.
早晨上班前，机组启动运行时，吸气压力会偏低 }
B.
机组正常运行后，膨胀阀表面会结冰
C.
吸气压力会受到膨胀阀开度的影响
D.
吸气压力大小与蒸发温度无天
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【单选题】Dialogue 1 G: Good afternoon. I’m Elizabeth Lynne. I just got to Hangzhou from Singapore. ( 1 ) . R: Welcome to Hangzhou. Let me see. Miss Lynne. ( 2 ) G: Yes, of course. R: Is tha...
A.
I made a reservation before my trip.
B.
I made a reserve before my trip.
C.
I booked a room before my trip.
D.
I made a call before my trip.
【简答题】warmly welcome to hangzhou
【简答题】对网络系统而言，()安全主要包括信息的存储安全和信息的传输安全。
【单选题】Dialogue 1 G: Good afternoon. I’m Elizabeth Lynne. I just got to Hangzhou from Singapore. ( 1 ) . R: Welcome to Hangzhou. Let me see. Miss Lynne. ( 2 ) G: Yes, of course. R: Is tha...
A.
Do you have a confirm on your reservation?
B.
Do you have a confirm of your reservation?
C.
Do you a confirmation on your reservation?
D.
Do you a confirmation of your reservation?
【单选题】听力原文： 'We need plenty more seals', Oolak said as they parted. He added, 'But you don't shoot seal in water now for they are hard to get'. Two hours passed, during which Bob had heard Oolak's rifle cra...
A.
in water.
B.
on the ice.
C.
in the polar region.
D.
on the pinnacle.
【简答题】熟悉环境,编写C程序输出: **** Welcome to Hangzhou! ****
【单选题】Dialogue 1 G: Good afternoon. I’m Elizabeth Lynne. I just got to Hangzhou from Singapore. ( 1 ) . R: Welcome to Hangzhou. Let me see. Miss Lynne. ( 2 ) G: Yes, of course. R: Is tha...
A.
one double rooms for two nights until 10th
B.
two double rooms for two nights until 10th
C.
one single room for two night until 10th
D.
one single room for two nights until 10th
【单选题】The rain ______ the beauty of the West Lake. It looked more attractive.
A.
added to
B.
added
C.
added up to
D.
added up
【简答题】以下句子出自一段导游欢迎词，请按照讲话先后顺序选择最恰当的排序: 1、Here we’d like to extend a warm welcome to you all. 2、I’m Angela, the local guide of your tour in Hangzhou, and I’m from Hangzhou International Travel Service. 3、Goo...
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