问题
单项选择题
在处于平衡的模拟指示秤上进行鉴别力测试,轻缓的加放或取下一个约等于相应称量最大允许误差绝对值的砝码,此时指针应产生()附加砝码的恒定位移。
A、不小于7/10
B、不大于7/10
C、等于7/10
D、不小于1/10
答案
参考答案:A
在处于平衡的模拟指示秤上进行鉴别力测试,轻缓的加放或取下一个约等于相应称量最大允许误差绝对值的砝码,此时指针应产生()附加砝码的恒定位移。
A、不小于7/10
B、不大于7/10
C、等于7/10
D、不小于1/10
参考答案:A
请先阅读下面短文,掌握其大意,然后从方框所给的词中选出最恰当的10个,用其适当形式填空。
What’s going on in 小题3:__________ countries? How do people live in places far away? Is there a good sports game somewhere? What’s living in the deepest(最深的)part 小题4:___________the sea? If you want 小题5:__________ these and other kinds of questions, just turn 小题6: _______ the TV. You can see a lot and learn a lot. Of course, people can also learn through reading or 小题7:__________ to the radio. But with TV they can learn better and more easily. Why? Because they can小题8:______________ and watch, too. TV helps to open our eyes. TV also helps us to open our minds. TV often gives 小题9:_____________ new ideas. We learn newer and better ways of doing something that can be 小题10:_____________on TV. |