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【单选题】
下列不属于放射性污染物的是()。A.
核武器
B.
核工业废料
C.
医用放射源
D.
工业生产中的“三废”
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举一反三
【单选题】—Where is Li Lei? Do you know? —He's _____ the apple tree. [ ]
A.
in
B.
on
C.
at
D.
down
【单选题】—Li Ming, do you know _________? —Yes. He comes from Canada.
A.
where does our new English teacher come from
B.
where our new English teacher comes from
C.
where did our new English teacher come from
【简答题】读对话，判断正( )误( )。 Li Ming: Excuse me! Do you know where the shop is? Policeman: Yes! Go to the park and turn right. It's on the right of the street. Li Ming: Thanks ! Policeman: You' re welcome. (At th...
【单选题】—Do you know _____ will teach us English next term? —Miss Li. [ ]
A.
what
B.
which
C.
where
D.
who
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