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【单选题】
Given that int x=10, y=20, z=30; the following( ) is the correct result after the following statement is performed. if(x>y) z=x; x=y; y=z;A.
x=10,y=20,z=30
B.
x=20,y=30,z=30
C.
x=20,y=30,z=10
D.
x=20,y=30,z=20
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【单选题】-----_______ we attend the party? -----No, you needn ’ t. You are free.
A.
Must
B.
Can
C.
May
D.
Shall
【多选题】信息、知识、文献、情报之间的有什么关系?
A.
信息包含知识，知识包含情报。
B.
情报虽大多来自文献，但也可能来自口头和实物，所以情报与文献存在交叉关系。
C.
文献是记录有知识的载体。
D.
文献可转化为情报。
【单选题】According to the author, we are most likely to catch a cold if we______.
A.
attend a party with a lot of people
B.
stay long hours in the street on a snowy day
C.
go out on an extremely cold and windy day
D.
go skiing or skating in the open air
【单选题】I had supper with my friends yesterday afternoon , _____ we went to attend a party .
A.
after when
B.
after which
C.
after that
D.
after it
【单选题】We attend a party _____.
A.
every other day
B.
every other days
C.
each other day
D.
each other days
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