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【简答题】
读数显微镜在观察过程中,要始终保持一个方向转动,是为了防止();它属于哪类误差()?
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皮皮学刷刷变学霸
举一反三
【简答题】Do you want some______（蔬菜）soup?
【单选题】-________ do you want some money? -Because I want to buy some fireworks. [ ]
A.
Why
B.
When
C.
What
D.
How
【简答题】Do you want some watermelons?(改为同义句) ________ you ________some watermelons?
【简答题】请讲以下主板所标记的部分位置与对应的名称进行连线。
【单选题】图示电路中, 正确的电压方程是( )。
A.
U S1 -R 1 I 1 +R 3 I S =0
B.
U S2 -R 2 I 2 +R 3 I S =0
C.
U S1 -R 1 I 1 -U S2 -R 2 I 2 =0
D.
U S1 +R 1 I 1 -U S2 +R 2 I 2 =0
【单选题】如图 1-26 所示电路中正确的电压方程是 ( )
A.
U = Us - RI
B.
U = Us + RI
C.
U = -Us - RI
D.
U = -Us + RI
【单选题】听力原文：W: Do you want anything else? M: Yes, t still want some salad, some bread and some soup. Q: Where does the conversation most probably take place? (17)
A.
At a hospital.
B.
At a library.
C.
At a bookstore.
D.
At a restaurant.
【简答题】听力原文：Woman: You know that some people will be there because they want to be and some will be there because they have to be. So it helps if you start with a joke or something that captures their attent...
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