（）是创业过程中最根本、最重要的因素。
A.创业能力
B.创业者
C.组织
D.创业环境
参考答案：B
计算-1+2的值是[ ]
A.-3
B.-1
C.1
D.3
I think ____ should waste water in our daily life. [ ]
A.everybody
B.somebody
C.anybody
D.nobody
