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【判断题】
标号越高的汽油,抗爆性能越好,对汽车发动机的保养越有利,加油加标号越高的越好。A.
正确
B.
错误
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【判断题】Growth in computer use most clearly benefited women in high-blue collar jobs, such as craft workers, machinist and technicians.
A.
正确
B.
错误
【简答题】Blue-collar or white? A blue-collar worker is a tradesman. Lots of blue collar workers own homes, run businesses, and have families. They love working with their hands and not in offices. How many peo...
【判断题】By 1965, a majority of U.S. workers held white-collar rather than blue-collar jobs.
A.
正确
B.
错误
【多选题】Which of the followings are the top 9 Blue-collar Jobs?
A.
Construction and building inspectors
B.
Plumbers and pipefitters
C.
Structural iron and steel worrkers
D.
Electricans
E.
Police Officers
F.
Subway operators
G.
Plastics Surgeon
【判断题】Automation and AI are not only taking over blue-collar jobs but also white-collar once. Many jobs are disappearing.
A.
正确
B.
错误
【单选题】用软件实现的同步互斥机制的算法如下 P0 进程: P1 进程: while ( turn ! = 0 ); while ( turn ! = 1 ); critical section critical section turn = 1 ; turn = 0 ; remainder section ...
A.
实现互斥关系
B.
不能实现互斥关系
C.
有同时进入临界区的情况
D.
有全部无法进入临界区的情况
【简答题】依照有关规定，我国把每年的9月20日定为（ ）。
相关题目：
【判断题】By 1965, a majority of U.S. workers held white-collar rather than blue-collar jobs.
A.
正确
B.
错误