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【简答题】
_______ a. There will be ( ) competition for the contract as the terms are excellent. b. At this time of the year, all fruit growers are involved in ( ) activity.
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参考答案:
举一反三
【简答题】用PV操作来管理n个并发进程互斥地使用某个共享资源时,信号量的初值应定义为( )
【简答题】阅读理解。 Tokyo may be one of those places that you love and hate at the same time. In Tokyo, there are always too many people in the places where I want to go. There are also too many cars. Tokyo drivers...
【单选题】Tokyo, the capital of Japan, is one of the largest cities in the world. It is also one of the world's most modern(现代化的)cities. Twice this century, the city was destroyed and rebuilt. In 1923 a major e...
A.
A historic city.
B.
A world famous seaport.
C.
A highly modernized city.
D.
A most attractive city for tourists.
【判断题】标准规定,标准公差分为18级
A.
正确
B.
错误
【判断题】浮选剂的非极性基团能选择性地被亲水性物质所吸附,极性基团则朝向水 。
A.
正确
B.
错误
【单选题】蜗杆传动适用于传递两 轴之间的运动与动力。
A.
相交
B.
平行
C.
交错
D.
不一定
【简答题】Although Tokyo is one of the most expensive cities in the world , you will be surprised that there are still some free activities in Tokyo. Free temples (庙 ) There are many temples in Tokyo.The most f...
【单选题】标准公差分为 等级。
A.
18
B.
19
C.
20
D.
22
【单选题】蜗杆传动适用于传递两()轴之间的运动和动力。
A.
平行
B.
相交
C.
相错
D.
以上都正确
【单选题】已知 是微分方程 的两个特解,则 是()
A.
是方程的解
B.
是方程的通解
C.
是方程的特解
D.
不是方程的解
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