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【单选题】
生活中常用到的发光二极管是利用半导体的( )特性制造而成的。A.
光敏性
B.
热敏性
C.
杂
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反馈参考答案：
举一反三
【单选题】Steve: Excuse me. Could you help me, please? I have a problem with this disc player. I bought it here last night. Clerk: Let me check the batteries. No, they're all right. There must be something wron...
A.
You will be able to get a new disc player.
B.
Do you still have the original receipt?
C.
I hope you are satisfied with this new one.
D.
Is there anything wrong with your disc player?
【单选题】某开发公司拟建设一栋写字楼，工期两年。施工合同价20000万元。根据《建筑工程施工许可管理办法》规定，该公司申领施工许可证时的到位建设资金至少要达到( )万元。
A.
4000
B.
6000
C.
10000
D.
20000
【单选题】The traditional file environment does not typically have a problem with
A.
data inconsistency.
B.
program-data independence.
C.
lack of flexibility in creating ad-hoc reports.
D.
poor security.
E.
data sharing.
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