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【单选题】
40K的半衰期为()a。A.
1.28×106
B.
1.28×107
C.
1.28×108
D.
1.28×109
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举一反三
【单选题】Welcome to the Peace Hotel? How may I help you?
A.
Can you tell me how to get to the Peace Hotel?
B.
Hi. I have a reservation under the name of Will Smith.
C.
That’s OK. I can fill in the form by myself.
【单选题】This type of computer is of great help and I’ll buy it _______.
A.
however may it cost
B.
no matter how much it cost
C.
however much it is cost
D.
however much it may cost
【简答题】adj. 激进的;根本的;彻底的
【多选题】----How may I help you today? ----____________________.
A.
I’d like to buy a hat.
B.
I’d like to check in.
C.
Dark blue.
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