题目内容

定义一个函数文件myfun.m，利用循环语句结构计算n!。

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选词填空，必要时改变形式：significancedeserveissueglancefrustrationpresentemergeawfully1. The mayor _ him with a gold medal at an official city reception.2.I could sense his at not being able to help.3.It's a/an long time since we last saw each other.4.Chris __ our special thanks for all his efforts.5.Ideas about the social_ of religion have changed over time.6.Could you___________ through this letter and see if it's alright?

介副词填空1.We'll have to do the whole thing again ___ scratch.2.Conditions are getting worse and supplies are running .3.The children exploded _ giggles when seeing the clown.4.He tried to use his own weight to push the attacker off but he was _ balance.5.I used to stay ___ late with my mom and watch movies.6.The discovery of the new drug is_ great significance for people.

下列哪种触发电路是电风扇无级调速器使用的电路（）

A. 简易触发电路
B. 单结晶体管触发电路
C. 集成触发器
D. 数字式触发电路

双向晶闸管的的触发方式有、、、。