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皮皮学刷刷变学霸
举一反三
【单选题】设全集U={1，2，3，4，5}，集合M={1， 3，5}，N={3，4，5}，则集合(? U M)∩N=
A.
{4}
B.
{2，3，4，5}
C.
{1， 3，4，5}
D.
Φ
【简答题】设全集U={1，2，3，4，5，6，7，8)，集合M={3，4，5)，集．合N={1，3，6)，则集合P={2，7，8)可表示成 （ ） A．M∪N D．M∩N
【单选题】设集合U={1，2，3，4，5}，集合M={3，5}，N={1，4，5}，则M∩ =' ' （ ）
A.
{5}
B.
{3}
C.
{2，3，5}
D.
{1，3，4，5}
【简答题】Once, long ago, there was a man who traveled from Persia to India on foot. He had been to India before. When he arrived at a village, he happened upon a fruit stand. In that village, fruit was quite b...
【单选题】—How long do you think it will be _______ we get the loan?—Perhaps two or three months.
A.
until
B.
before
C.
when
D.
that
【单选题】压力容器的制造方法多样,不同制造方式所成的容器有各自的特点,对于承压不高的中小型容器,可以采用技术较为成熟的( )方式制造:
A.
铸造
B.
锻造
C.
单层卷焊
D.
多层包扎
【单选题】It’s not the whole nation rose up and drove the enemy out of their homeland.
A.
before long
B.
long before
C.
soon
D.
a long time
【单选题】Not ____ he died, he received an award for his selfless service to the old. [ ]
A.
long before
B.
before long
C.
long ago
D.
shortly before
【单选题】He said he had been to Hong Kong ____ and he would go there _____ once again. [ ]
A.
long before, before long
B.
before long, long before
C.
long ago, before long
D.
long before, long before
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