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【判断题】
物理吸附和化学吸附的本质区别是吸附剂与吸附质分子间的相互作用力不同。A.
正确
B.
错误
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举一反三
【单选题】I insisted that all the students to smoke at school .
A.
not to be allowed
B.
not allow
C.
were not allowed
D.
not should be allowed
【单选题】I insisted that all the students ______to smoke at school.
A.
not be allowed
B.
not allow
C.
were not allowed
D.
not should be allowed
【单选题】Last Christmas I worked at the jewelry counter of a local department store. Although it is supposed to be a season of goodwill, Christmas made ordinarily pleasant people pushy and demanding. Once, an ...
A.
Personal experience
B.
Observation
C.
Personal reading
D.
Class reading or lecture
【单选题】I insisted that we ______ overnight at the hotel, and finally all the group members agreed.
A.
stay
B.
stayed
C.
will stay
D.
have to stay
【单选题】I ___ telegraphed back that it was all right with me if he insisted.
A.
resiliently
B.
reluctantly
C.
resignedly
D.
residentially
【简答题】试述机体调节酸碱平衡的机制。
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