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【判断题】
PN 结外加正向电压时表现为很大的电阻,而外加反向电压时表现为小电阻。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】阈值与组织细胞的兴奋性之间的关系是
【单选题】Task 2 Li Ming is calling Housekeeping Services. Listen to the conversation and choose the best answer to each of the following questions. 1. Why does Mr. Huang ask for another towel?
A.
Because the towel in his room is dirty.
B.
Because he can’t find his towel in his room.
C.
Because the towel in his room is damp.
D.
Because he has lost his own towel.
【单选题】从ABCD中选出文章所描述的人物 わたしは8時40分ごろ学校へ行きます。授業は9時からです。5時半まで仕事をします。夜、学生の宿題をチェックします。授業の準備をします。
A.
小説家
B.
モデル
C.
お相撲さん
D.
教師
【简答题】有三个目录book、book1、book2 ,book 目录针对u1用户的权限为5 ,book目录下的子文件针对用户的权限为7.请问u1用户针对子文件的有效权限是什么?
【单选题】Why does Mr. Huang ask for another towel?
A.
Because the towel in his room is dirty.
B.
Because he can't find his towel in his room.
C.
Because the towel in his room is damp.
D.
Because he has lost his own towel.
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