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【简答题】
纤维上的共生物有哪些?( ),( ),( ),( )。
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】网络营销今后将会如何发展？（即发展趋势）
【单选题】— I just want to know. Please tell me, how much do you make an hour? — If you ________ know, I make $20 an hour. [ ]
A.
will
B.
shall
C.
must
D.
need
【单选题】I wonder how you finished the work.
A.
I want know how you finished the work.
B.
I want to know how you finished the work.
C.
I know how you finished the work.
D.
I want to know you how finished the work.
【单选题】—Do you know what people are saying about you? —Of course I know. But _____ is true, and I don’t care.
A.
nothing
B.
something
C.
everything
D.
none
【简答题】You know I have perfect (confident) ______ in you.
【单选题】火灾逃生时，可用湿毛巾折叠，捂住鼻口，屏住呼吸，起到过滤烟雾的作用，不到紧急时刻不要大声呼叫或移开毛巾，且须采取匍匐式前进逃离方式。以下说法正确的是（）.
A.
不对，要大声呼叫
B.
对的
C.
用湿毛巾折叠，捂住鼻口，呼吸困难
D.
有烟雾时，要站直行走
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