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【判断题】
σ键可绕键轴旋转，π键不可绕键轴旋转。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Hey, do you have Henry's new phone number? W: He couldn't remember when I saw him this morning, so he said he'd call me later and give it to me then. Q: What does the woman mean? (17)
A.
She forgot to phone Henry this morning.
B.
She does not know Henry's new phone number.
C.
Henry's phone number has not changed.
D.
The man should ask Henry for the phone number.
【单选题】银翘散组成的药物除金银花、连翘、荆芥穗、淡豆鼓、牛蒡子外,其余的药物是
A.
竹叶、杏仁、桔梗、甘草、
B.
苏叶、桔梗、芦根、甘草
C.
薄荷、杏仁、桔梗、甘草
D.
薄荷、竹叶、桔梗、甘草
E.
薄荷、杏仁、竹叶、甘草
【单选题】When an e-mail phone is being used to make phone calls, it ______.
A.
cannot receive new messages
B.
send out a signal of new messages
C.
cannot display e-mail messages
D.
automatically checks new messages
【单选题】The example of an Avril Lavigne phone is given to illustrate that ______.
A.
the new wireless phone has a bigger memory than the average one
B.
music-loving,fashionable teenagers are its target customers
C.
the functions of current mobile phones are very changeable
D.
its price is not very high concerning its various functions
【单选题】When the move is completed, staff will
A.
have their old phone numbers.
B.
be given new phone numbers.
C.
use some new and some old phone numbers.
【单选题】银翘散的组成药物除金银花、连翘外，其余的是
A.
荆芥穗、牛蒡子、苦杏仁、紫苏、薄荷、桔梗、甘草
B.
荆芥穗、淡豆豉、牛蒡子、淡竹叶、苦杏仁、桔梗、甘草
C.
荆芥穗、淡豆豉、牛蒡子、薄荷、苦杏仁、桔梗、甘草
D.
荆芥穗、淡豆豉、牛蒡子、薄荷、苦杏仁、淡竹叶、桔梗、甘草
E.
荆芥穗、淡豆豉、牛蒡子、薄荷、淡竹叶、桔梗、甘草
【单选题】When an e－mail phone is being used to make phone calls，itA.cannot receive new messages．##
A.
When an e-mail phone is being used to make phone calls，it A.cannot receive new messages．
B.
send out a signal of new messages．
C.
cannot display e·mail messages．
D.
automatically checks new messages．
【单选题】This is my new cell phone!
A.
Really?
B.
I don't mind.
C.
Wow, it's very nice!
D.
What is your phone number?
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