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【单选题】
The fourth power of three is 81. 本句中的 power 应当翻译为:A.
电力
B.
功率
C.
次方
D.
倍数
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反馈参考答案：
举一反三
【简答题】The Ft. George tunnel section was built by skilled miners, but they were poorly paid. ( )
【单选题】The mass of a single iron atom is 9.3 × 10 –23 g. Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge. The density of iron is 7.86 g/cm 3 ( )
A.
7.5 × 10 24
B.
3.5 × 10 25
C.
8.5 × 10 25
D.
4.2 × 10 26
【单选题】—Can you play football? —_____. It's hard. [ ]
A.
Yes, I can
B.
No, I can't
C.
No, I can
D.
Yes, I can't
【单选题】—Can you act out this play in English? —_______ It's too hard. [ ]
A.
Yes, I can sing
B.
No, I can't
C.
No, I don't
D.
Yes, I do
【判断题】The Ft. George tunnel section was built by skilled miners, but they were poorly paid.
A.
正确
B.
错误
【单选题】—Can you ________ him studying hard? —No, I can't. He never studies hard. [ ]
A.
stop
B.
prevent
C.
keep
D.
warn
【单选题】The skilled section the working class is increasing as a proportion of the workforce.
A.
support
B.
relation
C.
portion
D.
scarcity
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