【单选题】【消耗次数：1】
Before Ford introduced the assembly line, each car was built by hand and such a process was, of course, very____________ .
①
slow
②
quick
③
fast
④
rapid
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Before Ford introduced the assembly line, each car was build by hand.
①
正确
②
错误
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Henry Ford developed the idea of the assembly line.
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【单选题】
With the production increased by the assembly line, automobiles became much____________ .
①
worse
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”When the car reached the end of the assembly line, it was complete assembled
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_________hand in his exercise-book before Monday?
①
Need he to
②
Does he need
③
Needs he to
④
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【单选题】
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②
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③
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I caught a____ of the car before it disappeared around the
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①
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②
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③
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【单选题】
I caught a___ of the car before it disappeared around the bend.
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何尔登效应是指
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O2与Hb结合将抑制CO2释放
③
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④
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⑤
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【单选题】
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组织液、静脉血、肺泡气、呼出气
②
组织液、肺泡气、静脉血、呼出气
③
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④
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⑤
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