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【简答题】
曲柄连杆机构是往复活塞式内燃机将能转变为能的主要机构。
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举一反三
【简答题】8051单片机内部有( )字节的程序存储空间。
【简答题】8051单片机有（ ）个中断源，（ ）级中断优先级别。[填空(1)]A. 8051单片机有（ 5 ）个中断源，（ 2 ）级中断优先级别。
【简答题】8051单片机有多少个管脚?( ) (A)60 (B)40 (C)20 (D)14
【简答题】__小题1:___ People use money to buy food, furniture, books, bicycles and hundreds of other things they need or want． When they work, they usually get paid in money． Most of the money today is made of me...
【简答题】8051单片机有______条地址线，它寻址的地址范围______。
【简答题】Fill in each of the following blanks with the proper form of the given words 1. After I paid for the dress, the salesgirl forgot to give me a_________(receive). 2. What’s the______ (totally) money you...
【单选题】In the traditional marriage, the man worked at a job to earn money for the family. Most men worked in an office, a factory or some other place away from home. Since the man earned the money, he paid t...
A.
Men worked at a job to earn money for the family.
B.
The woman made most of decisions.
C.
The woman stayed at home to care for the children.
D.
The man paid the bills.
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