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【单选题】
监听网络流量获取密码之后使用这个密码试图完成未经授权访问的攻击方式被称为()。A.
穷举攻击
B.
字典攻击
C.
社会工程攻击
D.
重放攻击
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反馈参考答案：
举一反三
【单选题】Teenagers always (long for) the time (which) they (are able) to be (independent).
A.
long for
B.
which
C.
are able
D.
independent
【单选题】The underlined word 'bland' in the last paragraph is closest in meaning to which of the following words?
A.
Salty.
B.
Tasteless.
C.
Delicious.
D.
Dull.
【单选题】Why did the author spend a white Christmas?
A.
It is white.
B.
The food is white.
C.
It snowed that day.
D.
The house is white.
【单选题】Which kind of house fo they live in ?
A.
thatched cottages
B.
semi-detached houses or terraced houses
C.
detached houses
【单选题】Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?
A.
Sub-cooled liquid
B.
Sub-cooled vapor
C.
Superheated vapor
D.
Liquid
【单选题】Why did the author offer a sporting suggestion?
A.
Because the CTA paid little attention to the incident.
B.
Because the bus driver had not been fired.
C.
Because he wanted to threaten (威胁) the CTA people.
D.
Because he thought the punishment was a light one.
【简答题】如果编译的时候提示“找不到头文件”,一般是( )出了问题。
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