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【简答题】
三极管处在放大区时，其（）电压小于零，发射结电压大于零。
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皮皮学刷刷变学霸
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【简答题】阅读短文，选择正确答案。 I have a new English teacher. She's young and pretty. Her class is so much fun. She's very active. We all like her. On Mondays we have English, math, music and P. E.. Today is Monday. I l...
【简答题】读短文，判断正(T)误(F)。 I have a new English teacher. Her name is Mary Black. She's from Canada. She is young and pretty. Her eyes are blue and her hair is yellow. She is active. She likes singing and dancing...
【单选题】She may be over 80, but she's still very ______ .
A.
act
B.
actor
C.
acting
D.
active
【单选题】关于因特网，下列说法不正确的是_____。
A.
因特网是世界范围内最大的互联网络，是由广域网连接起来的局域网的最大集合
B.
因特网是一种技术，包括 TCP/IP 协议族和执行 TCP/IP 协议族的路由器，基于这种技术可以将多个网络互联起来
C.
因特网是一个组织体系，它由各个层次的 ISP(Internet Service Provider) 所组成
D.
上述说法有不正确的
【简答题】阅读短文，选择正确的一项。 I have two new teachers. They are my math teacher and English teacher. My math teacher is short and strong. He's very funny. My English teacher is from Canada. She's a university student...
【单选题】关于因特网，下列说法不正确的是_____。
A.
其它选项的说法有不正确的
B.
因特网是世界范围内最大的互联网络，是由广域网连接起来的局域网的最大集合
C.
因特网是一种技术，包括 TCP/IP 协议族和执行 TCP/IP 协议族的路由器，基于这种技术可以将多个网络互联起来
D.
因特网是一个组织体系，它由各个层次的 ISP(Internet Service Provider) 所组成
【多选题】listen to D1 and choose the information about Betty. A She's Steven's classmate. B She is going to do her assignment this Saturday. C She is not very active at her leisure. D she is inviting Steven to...
A.
AShe's Steven's classmate
B.
She is going to do her assignment this Saturday.
C.
She is not very active at her leisure.
D.
she is inviting Steven to climb some hills.
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