对于独立悬架,弹簧的()对乘员的舒适性起主要影响。
A.强度
B.刚度
C.自由长度
D.压缩长度
参考答案:D
1991年在中国发起并主办了发展中国家环境与发展部长会议,发表了《》。
A、二十一世纪议程
B、北京宣言
C、生物多样性公约
D、气候变化框架公约
What they never take into account is the frazzled woman who is leading a ______ life -- trying to be a good mother while having to pretend at work that she doesn't have kids at all.
A.double
B.hard
C.two-way
D.miserable