哪些计量标准属于实行强制检定的范围？

小题1:My uncle always _______________________ on us when he came to our city.

小题2:He didn’t want to go to school by pretending to be __________________ ill.

小题3:The Science Museum is a good place for children __________________ their new ideas.

小题4:Children should __________________ how to respect others in their daily life.

小题5:He went to France the year before last and I haven’t heard from him _______________then.

小题6:He didn’t get any help and had to complete the work _________________.

小题7:The naughty boy is always punished by his mother for his bad_____________.

小题8:Most of the teenagers like eating junk food __________________ healthy food.

小题9:They found out the truth by doing a lot of__________________ experiments.

小题10:This DVD is quite useful. It can help us learn English and enjoy the beautiful sights of many places _______________________.

人体测量学的各个参数属（）范畴。

A、营养结局 

B、营养状况 

C、生长发育指标 

D、健康水平指标

如图所示，甲图是录音机的录音电路原理图，乙图是研究自感现象的实验电路图，丙图是光电传感的火灾报警器的部分电路图，丁图是电容式话筒的电路原理图．下列说法正确的是（　　）

A．甲图中录音机录音时，由于话筒的声电转换，线圈中变化的电流在磁头缝隙处产生变化的磁场

B．乙图电路中，开关断开瞬间，灯泡会突然闪亮一下，并在开关处产生电火花

C．丙图电路中，当有烟雾进入罩内时，光电三极管上就会因烟雾的散射而有光的照射，表现出电阻的变化

D．丁图电路中，根据电磁感应的原理，声波的振动会在电路中产生变化的电流

估算的要素指有根据和有数字。

树木定植后