Every day, it sends back remarkable new data describing the planet and its retinue of rings and moons.
A. what described
B. where describes
C. which described
D. that describes
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With Saturn’s new found familiarity,we sometimes forget to be amazed.
A. With new foundation about Saturn
B. With new discoveries about Saturn
C. With new establishment of Saturn
D. With new acquaintance of Saturn
当直流单臂电桥平衡时，没有电流通过检流计。（）
A. 对
B. 错
直流单臂电桥是采用比较法来测量材料的电阻。（）
A. 对
B. 错
为了表征直流单臂电桥测量电阻的准确度，我们引入了电桥的相对灵敏度。（ ）
A. 对
B. 错
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