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【单选题】
谁提出了一面提示和两面提示理论（ ）A.
霍夫兰
B.
卢因
C.
D.
拉扎斯菲尔德
手机使用
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反馈参考答案：
举一反三
【单选题】()通过一个拥有与专用网络相同策略的共享基础设施.提供对企业内部网或外部网的远程访问。
A.
Access VPN
B.
Intranet VPN
C.
Extranet VPN
D.
Internet VPN
【单选题】“Please don’t forget ______ the door when you leave.” “No, I won’t forget ______ it.”
A.
to lock; to lock
B.
to lock; locking
C.
locking; to lock
D.
locking; locking
【简答题】What can you do to protect yourself? (Please list at least three things to do.)
【单选题】.()通过一个拥有与专用网络相同策的共享基础设施,提供对企业内部网或外部局域网的远程访问。
A.
Access VPN
B.
Intranet VPN
C.
Extranet VPN
D.
Internet VPN
【单选题】9) Why wouldn’t the car start if the driver returned to the carvery soon ? A) Because it had used its vapor lock. B) Because its vapor lock was too cold. C) Because its vapor lock hadn’t cooled down. ...
A.
Because it had used its vapor lock.
B.
Because its vapor lock was too cold.
C.
Because its vapor lock hadn’t cooled down.
D.
Because the car was tired from running.
【简答题】fight the virus (4).mp4 List three things we must do to pr us from the sickness.
【单选题】Don’t forget to lock the door , _____ ?
A.
do you
B.
don’t you
C.
will you
D.
won’t you
【简答题】List three things to keep in mind while using slides.
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