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【单选题】
在IR序列中,射频脉冲激发的特征是A.
α＜90°
B.
90°—90°
C.
90°—180°
D.
90°—180°—180°
E.
180°—90°—180°
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【单选题】--- This is Mike Brown. --- Hello,_________.
A.
Mr Mike
B.
Mr Brown
C.
Miss Mike
D.
Miss Brown
【单选题】—Hello, Jack. —Hello, _____ . [ ]
A.
Wang Mr.
B.
Teacher Wang
C.
Miss Wang
D.
Wang Miss
【单选题】The more you learn , _______.
A.
the more equipped for life are you
B.
the more you are equipped for life
C.
the more equipped for life you are
D.
you are more equipped for life
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A.
Hello, Miss Li.
B.
Yes, I’m fine.
C.
Goodbye!
【单选题】______, the more you are aware of content and meaning.
A.
The more words you are familiar to
B.
The more words you are familiar with
C.
You are familiar to more words
D.
You are familiar with more words
【单选题】The more you follow their customs, ______they will become to you.
A.
more friendly
B.
the more friendlier
C.
the more friendly
D.
the friendlier
【单选题】Miss Li: Hello, how are you? Lingling: ____.
A.
Hello, Miss Li.
B.
I’m fine.
C.
Goodbye!
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