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【单选题】
通以稳恒电流的长直导线,在其周围产生电场和磁场的情况怎样 ( )A.
只产生电场
B.
只产生磁场
C.
既产生电场，又产生磁场
D.
既不产生电场，又不产生磁场
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举一反三
【简答题】计算 其中 L 是抛物线 上点 O (0,0)与点 B (1,1) 之间的一段弧 . = (__)
【简答题】I'm sorry you've been waiting so long, but it'll still be some time _______ Brian get back.
【单选题】急性肾盂肾炎正确的治疗措施是
A.
口服环丙沙星3天
B.
口服复方磺胺甲基异口恶唑7天
C.
根据细菌药物敏感试验选用有效的抗生素治疗2周
D.
联合应用两种以上抗生素进行治疗
E.
应用中药治疗
【单选题】I've been waiting for him for ______ hour and ______ half.
A.
a.../
B.
an... a
C.
an.../
【单选题】急性肾盂肾炎正确的治疗措施是
A.
口服环丙沙星3天
B.
根据细菌药物敏感试验选用有效的抗生素治疗2周
C.
口服复方磺胺甲基异嗯唑7天
D.
联合应用2种以上抗生素进行治疗
E.
应用中药治疗
【单选题】—I hear there will be a concert of Sun Yanzi and I've been waiting for it. _______ will it start? —Well, take it easy. In two days. [ ]
A.
How soon
B.
How long
C.
How often
D.
How far
【单选题】—Do you think we can______the package arriving tomorrow? —I hope so. We’ve been waiting for a long time.
A.
add up
B.
count on
C.
fill out
D.
get over
【单选题】急性肾盂肾炎正确的治疗措施是
A.
口服环丙沙星3天
B.
口服复方磺胺甲基异唑7天
C.
根据细菌药物敏感试验选用有效的抗菌药物治疗2周
D.
联合应用2种以上抗菌药物进行治疗
E.
应用中药治疗
【单选题】听力原文：W: I'm sorry to have kept you waiting. M: That's all right. I've been here only for five minutes. Q: Why did the woman apologize to the man? (14)
A.
The man was quite all right.
B.
The woman was late for coming.
C.
The woman asked the man to wait.
D.
The man was annoyed by her late coming.
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