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【多选题】
当读写器发出的命令以及数据信息发生传输错误时，如果被电子标签接收到，那么可能会导致下面哪些结果（）。A.
读写器将一个电子标签判别为另一个电子标签，造成识别错误
B.
电子标签×错误地响应读写器的命令
C.
电子标签的工作状态发生混乱
D.
电子标签错误地进入休眠状态
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反馈参考答案：
举一反三
【简答题】The couple set ________ some money every month for their future use even though their income can only make ends meet.
【单选题】The couple _____ some money every month for their future use even though their income can only make ends meet. [ ]
A.
put off
B.
put up
C.
set down
D.
set aside
【单选题】What should we do even though some business trips may include more casual situations?
A.
Use proper casual language.
B.
Brash up on table manners.
C.
Save all receipts.
D.
Represent your company.
【单选题】Some companies have succeeded at an international level even though they have
A.
produced inferior goods.
B.
failed to adapt products for local markets.
C.
ignored the standards set by their competitors.
D.
reduced the standard of the service they offer.
【单选题】下列有关氮芥类抗肿瘤药物的叙述不正确的是
A.
环磷酰胺是第一个上市的氮芥类抗肿瘤药物
B.
分子结构中有烷基化部分和载体部分
C.
双β-氯乙氨基是抗肿瘤活性的功能基，属于烷基化部分
D.
改变载体部分，可以提高药物的选择性，降低毒性
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