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【单选题】
非对称加密技术条件下,加密和解密使用( )。A.
一个密钥
B.
两个密钥
C.
密钥对，一个加密则另一个解密
D.
相同或实质相同的密钥
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】— Have you ever studied with a group? — _____. I've learned a lot that way. [ ]
A.
No, I don't
B.
Yes, I do
C.
Yes, I have
【单选题】-1 don't like mutton beef'. -I don't like mutton, I like beef a lot. [ ]
A.
and; but
B.
and; and
C.
or, but
D.
or; and
【单选题】. Unluckily I don’t have a lot of ______ memories of my childhood. There were no good friends, no amazing adventures, and no wonderful holidays.
A.
persuasive
B.
ordinary
C.
fantastic
D.
honorable
【简答题】购买者如何 根据外部的刺激进行判断和决策的过程是看不见的,这就是心理学中的所谓( )效应。
【单选题】— Everything is ______ at night markets. — Really? That's to say I don't need a lot of money to have a good time. [ ]
A.
cheap
B.
bad
C.
tired
D.
dear
【单选题】—Would you go to the movies with us tomorrow? —If you don't mind, ________. I have a lot of things to do.
A.
I'd like not
B.
I'd rather not
C.
I'd like to
D.
I'd rather do
【单选题】—'What's the matter? You don't look very today.' —'I'm tired and I have a lot of .' [ ]
A.
good; headache
B.
better; headaches
C.
well; headaches
D.
happy; headache
【单选题】—I don't have a partner to play table tennis with. —Why _______ a sports club to practice a lot? [ ]
A.
don't join
B.
not joining
C.
not to join
D.
don't you join
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