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【判断题】
密码按密钥方式划分,可分为对称式密码和非对称式密码。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】5)Why could the author leave something of hers to Julia?
A.
Julia can hold something valuable.
B.
Julia's pocket is full of valuable things.
C.
Julia can hold something in hand.
D.
Julia can touch it when she misses her mother.
【单选题】Why could the author figure out how the parts of computer worked when he was 15?
A.
Because he majored in science and math.
B.
Because he asked a friend.
C.
Because the computer was not run on a chip and he had a book.
D.
Because he did everything by doing this.
【单选题】Why did the lady think the author could not expect to work after eating such heavy things?
A.
Because she thought it would do harm to his health.
B.
Because she thought it would be impossible for a him to compose an embroidered piece of literature.
C.
Because she thought it would ruin his taste.
D.
Because she thought it would take him a long time to digest and he would be too tired to work.
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