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举一反三
【判断题】Today it is hard for graduates to find a job because there are too many graduates.
A.
正确
B.
错误
【单选题】It is ________ challenge for graduates to get ________ job as unemployment is high nowadays.
A.
the；不填
B.
a；不填
C.
a；a C
D.
不填；the
【单选题】What is the job market like for college graduates according to the passage?
A.
It is worse than it was last year for all the graduates from universities.
B.
It is especially good for the students who major in liberal arts.
C.
It is not very optimistic for recent graduates in engineering.
D.
It is much better than it was in the past years on the whole.
【简答题】下列各题中，函数是否相同?为什么? (1)f(x)=lgx 2 与g(x)-21gx； (2)y=2x+1与x=2y+1
【单选题】For graduates, it is the ability to do the work _____matters most.
A.
that
B.
which
C.
what
D.
it
【简答题】下列各题中，函数是否相同?为什么?y=2x＋1与x=2y＋1．y=2x+1与x=2y+1．
【多选题】下列有关分步沉淀的叙述中正确的是
A.
浓度积先达到 Ksp 的先沉淀出来
B.
沉淀时所需沉淀试剂浓度小者先沉淀出来
C.
溶解度小的物质先沉淀
D.
被沉淀离子浓度大的先沉淀
【单选题】下列有关分步沉淀的叙述中正确的是
A.
浓度积 Ksp小 的先沉淀出来
B.
沉淀时所需沉淀试剂浓度小者先沉淀出来
C.
溶解度小的物质先沉淀
D.
被沉淀离子浓度大的先沉淀
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