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【单选题】
通过肺门的结构不包括A.
主支气管
B.
肺动脉
C.
气管
D.
肺静脉
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皮皮学刷刷变学霸
举一反三
【简答题】ARP协议工作在OSI模型的哪一层()。
【单选题】--- ? --- The one on the desk.
A.
Where is your book
B.
Which book do you want
C.
What’s on the desk
D.
Whose book is on the desk
【单选题】In writing up the log book at the end of your watch，you make an error．which of the following is the way to correct the error？ ______.
A.
Carefully and neatly erase the entry and rewrite it correctly
B.
Remove this page of the log book and rewrite all entries on a clean page
C.
Blot out the error completely and rewrite the entry correctly
D.
Cross out the error with a single line and rewrite the entry correctly
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