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【单选题】
两电阻并联的等效电阻值为 2.5 Ω ,串联的等效电阻值为 10 Ω ,则这两个电阻的阻值 。A.
一定都是 5 Ω
B.
可能都是 5 Ω
C.
不一定相等
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反馈参考答案：
举一反三
【简答题】在创建主子窗体之前,必须设置数据表之间的( )
【单选题】Which of the following can NOT be seen as a difference between Brazilian and American negotiators?
A.
Americans prepare more points before negotiations.
B.
Americans are more straightforward during negotiations.
C.
Brazilians prefer more eye contact during negotiations.
D.
Brazilians seek more background information.
【简答题】在创建主/子窗体之前，必须设置 之间的关系。
【判断题】The narrator was a 19-year-old college student at the time. (Unit 1 Brush with the law)
A.
正确
B.
错误
【简答题】民用建筑工程验收时，环境污染物浓度现场检测点应距内墙面不小于()m、距楼地面高度0.8m～1.5m。检测点应均匀分布，避开通风道和通风口。 A0.2 B0.5 C0.8 D1.0
【简答题】在创建主/子窗体前,必须设置 ( ) 之间的关系
【简答题】A car crash which 1. of her brother forced the narrator to go to her hometown. With the house in disarray, she could not focus. Her husband decided to tell 2. what happened, including Donna, with whom...
【单选题】We hope that the next nego6ation ( ) the last one before signing the contract.
A.
is
B.
will be
C.
was
D.
being
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