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【单选题】
在咽部,异物最易滞留的部位是( )。A.
咽隐窝
B.
梨状隐窝
C.
会厌谷
D.
扁桃体窝
E.
咽鼓管咽口
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反馈参考答案：
举一反三
【简答题】A．choose B．use C．hold out D．pick out
【单选题】Owing to no hotel to book, I have to ______ with my friend during my visit to Swiss.
A.
lodge
B.
entertain
C.
register
D.
fulfill
【单选题】One can ______ BBC _____ the air early with his Short-wave radio.
A.
pick up; on
B.
pick out; over
C.
pick up; through
D.
pick up; by
【单选题】It took Joan a long time to _______ a new dress at the store.
A.
pick up
B.
take up
C.
take out
D.
pick out
【单选题】Only in this way _____ her boyfriend in the crowded street. [ ]
A.
she can pick out
B.
she can pick up
C.
can she pick out
D.
can she pick up
【单选题】Can you ________ your sister from that group of girls?
A.
pick up
B.
pick out
C.
bring up
D.
bring out
【简答题】构成蛋白质的氨基酸有( )种,必需氨基酸有( )种。
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