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【单选题】
LC串联电路处于谐振时,阻抗( )。
A.
最大
B.
最小
C.
不确定
D.
与非谐振状态相比不变化
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【单选题】听力原文: Hollywood super couple Brad Pitt and Jennifer Anniston have announced that they are separating. The former couple were married on July 29, 2000 in a lavish Malibu, CA ceremony in front of family...
A.
They are going to have a baby.
B.
They are separating.
C.
They are moving to Hollywood.
D.
They are going to shoot a new movie.
【单选题】栓剂应在( )以下密闭保存
A.
35℃
B.
30℃
C.
37℃
D.
39℃
E.
40℃
【单选题】车站软横跨支柱顶在负载作用下,最大挠度不得大于()
A.
0.50%
B.
1%
C.
1.50%
D.
2.00%
【单选题】  Could I have a cigarette? I seem to of them.
A.
have run out
B.
use up
C.
run out
D.
have used up
【多选题】中央银行的基本特征是( )。
A.
不以盈利为目的
B.
可以凌驾于政府之上
C.
业务对象为政府、金融机构
D.
资产流动性高
【简答题】Dear Brad , I am a boy in the first grades of a senior high school . I feel uneasily recently . At home I feel like prisoner . I am not allowed to watch TV or surf the Internet . The only thing I have...
【单选题】栓剂应在( )以下密闭保存
A.
35 ℃
B.
30 ℃
C.
37 ℃
D.
39 ℃
【单选题】栓剂应在 以下密闭保存。
A.
10℃
B.
30℃
C.
37℃
D.
25℃
【单选题】如题2图所示,用U形水银压差计测量水管A、B两点的压强差,水银面高差hp=10cm,pA-pB为( )。
A.
13.33kPa
B.
12.35kPa
C.
9.8kPa
D.
6.4kPa
【单选题】— Have you ever been to Mount Gu, Michael? — No. I've _____ been there. [     ]
A.
ever
B.
already
C.
never
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