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【多选题】
功能型光纤传感器对光的调制方法有( )。A.
强度调制
B.
偏振态调制
C.
相位调制
D.
频率调制
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反馈参考答案：
举一反三
【简答题】Sorry, I don't know. I'm new around here.
【单选题】—Excuse me, do you know _________? —Sorry, I'm new here. Why don't you ask the man over there?
A.
where the bookshop is
B.
where can I find the bookshop
C.
where is the bookshop
【单选题】– I’m new here.
A.
Don’t worry. I’ll do what I can ______ you.
B.
help
C.
to help
D.
invite
E.
to invite
【单选题】-------Oh I`m a new-comer here. Whom could I _______? -------. A policeman, I think.
A.
come to
B.
lookfor
C.
referto
D.
turn to
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