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【判断题】
材料社会经济的先导,科技进步的关键。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】These shorts _____ twenty dollars and the T-shirt _____ only ten dollars. [ ]
A.
are; is
B.
is; are
C.
are; are
D.
is; is
【简答题】1907年成立的( ),拉开了现代主义设计的序幕。
【单选题】How much did the United States pay for Alaska?
A.
A hundred dollars an acre.
B.
Ten dollars an acre.
C.
Two cents an acre.
D.
Ten dollars an acre.
【单选题】Customer: ______ Clerk: Here you are. 20 dollars.
A.
Give me 20 dollars worth of stamps, please.
B.
I want to purchase 20 dollars of stamps, please.
C.
Five two-dollar and ten one-dollar stamps, please.
D.
Could I have some stamps, please?
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