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【简答题】
Our conclusion is based on all available knowledge,___________(而不是基于猜测和想像).
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反馈参考答案：
举一反三
【单选题】把一定质量的铁片分别放入下列物质的溶液中，过一段时间取出，金属质量下降的是( )
A.
Al 2 (SO 4 ) 3
B.
CuSO 4
C.
H 2 SO 4
D.
AgNO 3
【单选题】Why does the professor mention laundry detergent?
A.
To give an example of price wars
B.
To show that consumers buy different brands
C.
To name an industry that introduces new brands
D.
To explain the concept of brand loyalty
【单选题】What suggestion does the author give in the last paragraph?
A.
Enrich your experiences by sharing them online.
B.
Make efforts to make your life attractive to others.
C.
Stop externalizing your personal experience.
D.
Record the details of what you see, smell and hear.
【单选题】I suggested not only _____ go to the meeting but also give a speech there.
A.
did he go
B.
his going
C.
should he go
D.
he should go
【单选题】把“铁片”分别放入下列物质的溶液中,过一小段时间取出,烘干,固体质量增加的是 ( )
A.
Al 2 (SO 4 ) 3
B.
CuSO 4
C.
H 2 SO 4
D.
FeSO 4
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