【单选题】William found it increasingly difficult to read, for his eyesight was beginning to _____. [ ]
【判断题】对n个记录进行冒泡排序时,最少的比较趟数为1次
【简答题】Clerk(C):Good morning. Guest Service Center. Can I help you? Guest(G): I certainly hope so. I am very(1) . C: What seems to be the problem, madam? G: The air-conditioner in my room isn't working and t...
【判断题】对n个记录进行冒泡排序时,最少的比较次数为n-1次
【单选题】According to the American Red Cross, blood donors are __________ needed after natural disasters or other catastrophes.
【单选题】According to the passage, what leads to the lack of qualified workers in the US?
A.
The disadvantages of the agrarian-age education system.
B.
The shortage of work opportunities due to the declining economy.
C.
The cooling of American economy.
D.
Both the education system and the workforce classification.
【单选题】听力原文:W: There must be a thunderstorm in some place, because the picture isn't very sharp and the sound isn't clear? M: I think you are right. They said on the radio last night that a storm was coming ...
A.
Looking at the photos.
B.
Listening to the radio.