影响人的发展的因素很多,其中( )是影响人的发展的内在动力.
A.环境B.遗传素质C.教育D.个体的主观能动性
参考答案:D
解析: 影响人的发展的内在动力是个体的主观能动性.
—Could you tell me _______?.—It’s twenty minutes by underground.
A.how far it is from your home to your school
B.how much it costs to get to your school
C.how long does it take me to get to your scjool
D.how can Iget to your school
空气洁净度等级认证的测试时间要求为当空气洁净度等级小于等于5时,最长时间间隔为( )个月。
A.4 B.5 C.6 D.8