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【单选题】
根据密码分析者所掌握的分析资料的不通,密码分析一般可分为已知明文攻击、选择明文攻击、选择密文攻击、其中破译难度最大的是()。A.
唯密文攻击
B.
以知明文攻击
C.
选择明文攻击
D.
选择密文攻击
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【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
He wants to have more sleep.
B.
His wife doesn't sleep well.
C.
Women need more sleep than man.
D.
He doesn't need as much sleep as his wife.
【简答题】If you feel unwell, please contact train crew for assistance.
【单选题】听力原文：W: Look here, darling. The paper says people tend to feel unwell if they sleep less than six hours a day M: That may be true for you, but it certainly isn't true for me. Q: What can we conclude f...
A.
He wants to have more sleep.
B.
His wife doesn't sleep well.
C.
Women need more sleep than men.
D.
He doesn't need as much sleep as his wife.
【多选题】Which of the following are correct protection measures for everyone?
A.
Stay home if you feel unwell.
B.
Avoid touching eyes, nose and mouth.
C.
Make sure you, and the people around you, follow good respiratory hygiene.
D.
Maintain at least 1 meter distance between yourself and anyone who is coughing or sneezing.
【简答题】简述俱乐部下设哪些部门,主要负责什么?
【简答题】If you have fever, cough and difficulty breathing, seek medical care early (1) __________ if you feel unwell, even with mild signs of (2) __________ such as (3) __________ and slight (4) __________, u...
【单选题】If you feel ______________, please contact train crew for assistance.
A.
well
B.
unwell
C.
happy
D.
unhappy
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
He wants to have more sleep.
B.
His wife doesn't sleep well.
C.
Women need more sleep than men.
D.
He doesn't need as much sleep as his wife.
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