关于应对概念的错误叙述是( )。
A.应对的涵义是多维度的
B.应对与多种应激因素有相关性
C.应对保护个体免受应激损害的作用
D.应对活动涉及应激全过程
参考答案:C
直线l1:x+my+1=0与l2:x-y+2=0垂直,则m=______.
There are many mistakes in your homework. You should ______ special attention to the correct use of tenses.
A.focus
B.pay
C.require
D.get