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【单选题】
需要载体但不能进行逆浓度运输的是（）A.
主动运输
B.
扩散
C.
促进扩散
D.
基团转位
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【简答题】阅读理解。 No. Middle School is our school. It isn't big. There are eigh classes and sixty-two teachers in our school. It's outside (在……外面) our city,not far from a park. The park is between a farm (...
【单选题】通过人体电流的持续时间越长,能量积累越大,人体电阻下降,容易引起心室颤动,危险性就越大,其主要原因有
A.
能量的积累
B.
人体电阻降低
C.
与易损期重合的可能性增大
D.
以上都对
【简答题】Are the days 56 in summer or in winter? In China the days 57 longer in summer. There are 58 than six 59 of daylight in the middle 60 summer. In 61 there are only about eight hours of 62 . When is...
【单选题】What did the man give the woman?
A.
His address.
B.
His recommendation.
C.
His business card.
D.
A hotel's number.
【单选题】There are numerous situations where better planning and awareness could really make a difference in energy savings and dollars.
A.
意识到节省能源和能源开支的重要性,在通常情况下对改进计划起着一定作用。
B.
在许多情况下,改进计划、增强意识对节省能源和能源开支非常重要。
C.
改进能源计划、增强能源意识,应该根据各种不同情况区分对待。
D.
各种不同的情况决定了能源计划和能源意识将带来的不同后果。
【单选题】通过人体电流的持续时间越长,能量积累越大,人体电阻下降,容易引起心室颤动,危险性就越大,其主要原因有
A.
能量的积累
B.
人体电阻降低
C.
与易损期重合的可能性增大
D.
其余选项都正确
【简答题】＿＿＿his address，I can’t send this book to him．
【简答题】What did the man give the woman? [A] His address. [B] His recommendation. [C] His business card. [D] A hotel's number.
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