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【单选题】
If students want to protect their privacy online, they should______.A.
organize a protest to show their dissatisfaction
B.
set up rules to allow only the approved to see their profiles
C.
stop using the websites completely
D.
change the topics of their conversation online
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【判断题】Bob deposits $100 in a bank account that pays an anual interest rate of 5%. A year later, Bob withdraws his $105. If inflation was 5 % during the year the money was deposited, then Bob's purchasing po...
A.
正确
B.
错误
【单选题】易导致老年人发生肺部感染的老化因素,不正确的是( )
A.
气管、支气管黏膜黏液腺退行性变
B.
细支气管黏膜萎缩,管腔狭窄或阻塞
C.
纤毛运动功能增强
D.
保护性咳嗽反射减弱,气管内分泌物和异物不易排出
E.
气管黏膜上皮萎缩,平滑肌萎缩,弹性组织减少
【单选题】易导致老年人发生肺部感染的老化因素,不正确的是
A.
气管、支气管粘膜黏液腺退行性变
B.
细支气管粘膜萎缩,管腔狭窄或阻塞
C.
纤毛运动功能增强
D.
保护性咳嗽反射减弱,气管内分泌物和异物不易排出
E.
气管粘膜上皮萎缩,平滑肌萎缩,弹性组织减少
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