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【单选题】
运算器在执行两个用补码表示的整数加法时,判断其是否溢出的规则为 ( )。A.
两个整数相加，若最高位（符号位）有进位，则一定发生溢出
B.
两个整数相加，若结果的符号位为 0，则一定发生溢出
C.
两个整数相加，若结果的符号位为 1，则一定发生溢出
D.
两个同号的整数相加，若结果的符号位与加数的符号位相反，则一定发生溢出
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【单选题】—I'm sorry for my fault. Are you angry, Jane? —No, I _____ you. It doesn't matter, Bob. Forget it! [ ]
A.
am not mad at
B.
don't believe in
C.
don't care about
D.
am not kind to
【单选题】听力原文：M: Jane, could you do me a favor, please? I am in a hurry to get to the airport before 4. Can I borrow your car? W: I wish I could, but I don't even have a garage. Q: What does the woman mean? (1...
A.
She will lend her car to the man.
B.
Her car is in her garage.
C.
She is not able to help the man.
D.
Her car is under poor conditions.
【单选题】Jane doesn't have enough money with her. Could you __________ her some? [ ]
A.
borrow
B.
take
C.
lend
D.
help
【单选题】—What's your uncle's opinion about your decision? —He always encourages me to do ________ I think I should.
A.
what
B.
when
C.
how
D.
that
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