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【简答题】
种子是由种皮和 组成的。
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【单选题】张华同学在探究通过导体的电流与其两端电压的关系时,将记录的实验数据通过整理作出了如图所示的图像,根据图像,下列说法错误的是 ( )
A.
通过导体 A 的电流与其两端的电压成正比
B.
导体 A 的电阻大于导体 B 的电阻
C.
当在导体 B 的两端加上 1V 的电压时，通过导体 B 的电流为 0.1A
D.
将 A 、 B 两导体串联后接到电压为 3V 的电源上时，通过导体的电流为 0.2A
【简答题】钟面上时针的长1dm,一昼夜时针扫过的面积是( )。
【简答题】The church he stayed for 20 years was small and _________ in the early morning sunlight. ( empty and looks sad because there are no people there )
【单选题】It ________ that there are more than 20 people injured in the accident.
A.
will be confirmed
B.
was confirmed
C.
has been confirmed
D.
had been confirmed
【单选题】Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) andD) on the right side of the paper. You should choose the ONE that best fits into th...
A.
enlarged
B.
extended
C.
expanded
D.
lengthened
【简答题】Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C), and D) on the right side of the paper. You should choose the ONE that best fits into ...
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