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【简答题】
I’ll tell you something about my English teacher, Mrs Wang. She is a middle-aged woman. She is not tall and not short, and she is also not fat and not thin. She has long, black hair. She likes wearing a red dress. She is very beautiful. She speaks very good English. She has three classes a week, but they aren’t on Tuesday or Friday. All the students in her class love her very much.Mrs Wang lives not far from the school. She walks to school with her son and her daughter early every morning. Her two children are twins. They are in Grade Two, but they are not in the same class. They often wear the same clothes. They look very happy.
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参考答案:
举一反三
【判断题】P 型半导体中多数载流子是空穴,因此 P 型半导体带正电。 ( )
A.
正确
B.
错误
【单选题】明矾属于
A.
晶体
B.
非晶体
【单选题】l1.下列血浆蛋白中,不属于糖蛋白的为:
A.
免疫球蛋白
B.
纤维蛋白原
C.
纤连蛋白
D.
铜蓝蛋白
E.
清蛋白
【简答题】U/I 变换器是指输出负载中的 与输入的 成正比。
【判断题】在 P 型半导体中多数载流子是空穴,少数载流子是自由电子。
A.
正确
B.
错误
【判断题】P型半导体中多数载流子是空穴,所以P型半导体带正电。
A.
正确
B.
错误
【判断题】P 型半导体中多数载流子是空穴且带负电。
A.
正确
B.
错误
【单选题】明矾属于( )。
A.
晶体
B.
非晶体
C.
晶格
【单选题】明矾属于
A.
晶体
B.
非晶体
C.
晶格
D.
晶胞
【单选题】癌细胞胞质嗜碱性增强是由于
A.
核糖体增多
B.
细胞内色素物质沉积
C.
核浆比值改变
D.
细胞肿胀
E.
糖原增多
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