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【单选题】
定理只适用于 ( )A.
外部为非线性电路
B.
外部为线性电路
C.
内部为线性含源电路
D.
内部电路为非线性含源电路
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举一反三
【单选题】有关结核菌素试验,下述错误的是
A.
属于皮肤迟发型超敏反应
B.
可检测机体对结核杆菌的免疫状况
C.
皮肤反应程度以局部红肿,硬结的直径为标准
D.
可检测机体细胞免疫功能
E.
12—18小时观察结果
【单选题】What does the man do after supper?
A.
He reads newspapers.
B.
He goes to bed at once.
C.
He watches TV.
【简答题】听短文，选择正确答案。听两遍。 1. What does Tom often do after school? A. He does his homework. B. He watches TV. C. He goes out to play. 2. How old is Tom this year? A. Eleven. B. Nine. C. Ten. 3. How did Tom’s par...
【单选题】有关结核菌素试验,下述 错误 的是
A.
属于皮肤迟发型超敏反应
B.
12 ～ 18 小时观察结果
C.
可检测机体对结核分枝杆菌的免疫状况
D.
皮肤反应程度以局部红肿、硬结的直径为标准
【单选题】听力原文：W: Have you ever seen a lion? M: Only on TV. What does the man mean?
A.
He only watches TV.
B.
There are some lions on top of the TV.
C.
He saw a lion on TV.
D.
There was a TV in his room.
【单选题】By the time a child is five, he _______ hundreds of hours of television.
A.
will watch
B.
will have watched
C.
had watched
D.
is watching
【单选题】He is a key ____________ in the murder so we must protect him from all kinds of danger.
A.
witch
B.
watcher
C.
wizard
D.
witness
【单选题】He ________ volleyball, he only watches it on TV. [ ]
A.
plays
B.
doesn't play
C.
watches
D.
don't watch
相关题目：
【单选题】有关结核菌素试验,下述 错误 的是
A.
属于皮肤迟发型超敏反应
B.
12 ～ 18 小时观察结果
C.
可检测机体对结核分枝杆菌的免疫状况
D.
皮肤反应程度以局部红肿、硬结的直径为标准
参考解析：
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