【单选题】指针式万用表测量电压电流时,为了读数精确,应尽量使指针指在刻度尺的( )之间。
【简答题】What 2 methods can an alumni association use to keep you up-to-date?
【单选题】According to the writer, most scientists who had helped in making the A-bomb considered that it should not be used against the Japanese because ______.
A.
it was such a dangerous weapon
B.
its use against the Japanese was unnecessary
C.
it was a very inhumane weapon
D.
the German war was finished
【简答题】Have you seen Jurassic Park? In this film, scientists use DNA kept for tens of millions of years to clone dinosaurs. They find trouble, however, when they realize that the cloned creatures are smarter...
【简答题】To sum up , cruiser offer a wide range of ( )现代的 accommodations.
【判断题】Most scientists used to believe that time travel was possible.
【单选题】According to the article, what changes did the Commercial Revolution bring about?
B.
Appearance of craft guilds
C.
Increased trade volume
D.
Growth of trade, banking and methods of production
【判断题】使用指针式万用表检测电压、电流、电阻时,为使测量更准确,应使指针指在满刻度的2/3以上。