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【判断题】
If an Englishman is, let us say, very good at tennis and someone asks him if he is a good player, he will reply “Yes”.A.
正确
B.
错误
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【单选题】Why not take up some outdoor sports to relax ______ office work? It will also help keep you healthy.
A.
for
B.
from
C.
on
D.
of
【简答题】采用动态扫描法的多个数码管复合显示时，各个LED的显示分别只占部分时间，但是看起来却好像是同时点亮的。这是利用了__________.
【简答题】A．Have a meal in a restaurant and go to movies. B．See an outdoor movie with take-away food. C．Watch some terrifying film without subtitles. D．See some new foreign film in the open.
【简答题】小题1: Nowadays students take part in more and more outdoor _______(活动). 小题2: People ________(想知道) how to pr the earthquake from happening. 小题3: Would you mind _______(劝告) your father not to smoke?...
【单选题】6位7段数码管动态显示控制模块如图1，要求人眼看到所有数码管同时显示各个数码管各自对应的数字，数码管位选信号的扫描时钟频率约为多少【图片】
A.
1KHz
B.
1Hz
C.
10Hz
D.
100Hz
E.
100KHz
F.
1MHz
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