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【简答题】
历史上最早研究地磁偏角的科学家是___________，最早发现电流磁效应的科学家是__________，最早发现电磁感应现象的科学家是___________。
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】海肾萤光素酶与萤火虫荧光素酶相比
A.
与萤火虫荧光酶一样都需要 ATP 发光
B.
在双萤光素酶报告基因检测系统中适合作为实验报告基因
C.
荧光信号明亮，持续时间长
D.
不易获得
【简答题】Choose the best answer. 选择最佳答案。 People who diet may get lots of praise from friends and family when they start losing pounds, which makes them feel good. But ually a person reaches a weight level...
【单选题】听力原文： While many overweight people claim to have a strong desire to shed excess pounds, most do little to achieve this goal, a new study suggests. Researchers at the Mayo Clinic in Rochester, Minnesot...
A.
About 30%.
B.
About 20%.
C.
About 61%.
D.
About 50%.
【单选题】It’s going to be tough to keep your motivation level high______ you are trying to lose weight to please yourself.
A.
although
B.
while
C.
if
D.
unless
【单选题】Is it important to take into consideration the reactions of your audience while presenting?
A.
It is not important because your presentation is good as it is, no matter how the audience reacts
B.
It is important because if you pay attention to their immediate feedback you can shape your presentation while presenting
C.
It is not important because if you pay attention to them, you lose focus on what you are trying to say
D.
B &c
【简答题】阅读理解。 Are you angry when your classmates sing loudly while you are trying to study or your best friend does not wait for you after school ? If your answer is 'Yes', you need to learn how to cont rol y...
【简答题】While trying to lose weight, all sweet food should be best avoided.
【简答题】阅读理解。 Do you get angry when your friends sing loudly while you are trying to work or when your best friend does not wait for you after school? If you do, you need to take control of your feelings. Get...
【简答题】阅读理解。 Do you get angry when your friends sing loudly while you are trying to work? Or when your best friend does not wait for you after school? If you do, you need to take control (控制) of your feeling...
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