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【简答题】
在图(a)所示电路中，已知U S =6V，I S =2A，R 1 =1Ω，R 2 、R 3 为非线性电阻，其伏安特性如图(b)曲线所示。求R 2 ，R 3 中的电流。
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反馈参考答案：
举一反三
【单选题】I didn’t catch what you meant just now. It was too noisy outside. ( for )
A.
I didn’t catch what you meant just now for it was too noisy outside.
B.
It was too noisy outside, f or I didn’t catch what you meant just now.
【简答题】{x∈N∣3
【单选题】有关内生殖器下述哪项是错的
A.
阴道粘膜表面由复层鳞状上皮覆盖
B.
阴道粘膜表面由较多腺体
C.
子宫内膜受卵巢激素影响发生周期性变化
D.
子宫腔容量约为5ml
E.
卵巢为性腺器官
【单选题】______ by the look on her face, she didn't catch what I meant.
A.
Judging
B.
Judged
C.
Judge
D.
To judge
【简答题】What he did didn't mean _________ you. He meant _________ you.
【单选题】有关内生殖器下述哪项是错的
A.
阴道黏膜表面由复层鳞状上皮覆盖
B.
阴道黏膜表面有较多腺体
C.
子宫内膜受卵巢激素影响发生周期性变化
D.
子宫腔容量约5mL
E.
卵巢为性腺器官
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