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【简答题】
充分就业意味着失业率为零。( )
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举一反三
【单选题】—The ______ girl has learned a lot about China from her father and her school. —She likes ______ culture very much. [ ]
A.
15 -year-old; China
B.
15 -year-old; Chinese
C.
15 years old; Chinese
D.
15 years old; China
【单选题】Peter was so excited he received an invitation from his friend to visit Chongqing.
A.
where
B.
that
C.
why
D.
when
【简答题】有一只小灯泡,如果它接在4V电源上时,通过的电流为0.4A,那么它的灯丝电阻是 _Ω; 若将它接在8V的电源上,通过的电流是 A; 若电压降为0v,则灯丝电阻是 Ω。
【判断题】Boggis was so excited when he saw the commode that he almost had a heart attack.
A.
正确
B.
错误
【单选题】Jack won the first prize in yesterday’s English speech competition and he was so excited that he didn’t _______until late into the night.
A.
bring down
B.
set down
C.
take down
D.
settle down
【简答题】简述测定油品密度的实验步骤和注意事项
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