【单选题】When I saw the notice 'women film extras wanted' in a local newspaper, I jumped at the chance. Since childhood, I had dreamt of being a film star. The casting interview went well, and two days later I...
A.
have little experience of acting
B.
play unimportant parts in a film
C.
pretend to be film stars
【单选题】双稳态触发器原来处于"1"态,想让它翻转为"0"态,可采用触发方式是( )。
【单选题】设以下变量均为int类型,则值不等于7的表达式是
【单选题】硝基苯在Zn/氯化铵水溶液体系中还原,得到的主要产物是( )。