造成事故发生有哪些主要因素?
参考答案:
人的原因;物的原因;环境原因;管理原因。
编制简答题的原则不包括( )。
A.将其操作化
B.宜用问句形式
C.填充形式的空格不宜太多
D.每题应只有一个正确答案
—It’s said that Wang Meng spent almost 10 hours training every day.
—That’s true. She is really hard-working. ________, she won 3 golden medals in
the 21st Winter Olympics.
A.By the way
B.First of all
C.As a result
D.In order to