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【简答题】
The introduction of ____into England marked the beginning of modern English period.
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举一反三
【单选题】—Tom, may I remind you that we will go to see the movie Avatar tomorrow evening? —Oh, that's right. I_______about it. [ ]
A.
forgot
B.
forget
C.
had forgotten
D.
have forgotten
【单选题】--- ________ I remind you of is to return the book to our English teacher. ---I will give it to him _________ I see him.
A.
That; immediately
B.
What; directly
C.
What; while
D.
Whether; once
【简答题】I remind how happy our childhood was.
【简答题】____电压比较器输出只有高电平和低电平两种状态,输入高电平时,输出为高电平。输入低电平时输出为低电平。 四、分析计算题
【简答题】电压比较器输出只有高电平和低电平两种状态，由集成运算放大器构成的电压比较器运算放大器工作在（）状态。
【单选题】— ________ I remind you of is to return the book to our English teacher. — I will give it to him _________ I see him. [ ]
A.
That; immediately
B.
What; the moment
C.
What; while
D.
Whether; once
【简答题】工作在电压比较器中的运放与工作在运算电路中的运放的主要区别，前者通常工作在（）状态或（）状态，因此，它的输出一般只有高电平和低电平两个稳定状态。
【单选题】. —May I remind you that a Mr. Zhang is waiting downstairs, sir? —Oh, dear. I ________ about it.
A.
forget
B.
forgot
C.
have forgotten
D.
had forgotten
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