电梯运载重物时，应在轿厢中的（）位置码放。
A.靠近门口
B.靠近里侧
C.靠近两侧
D.均匀分布或集中在轿厢中央
参考答案：D
Use your head. Nothing taught by others can have the same effect on you as ______learned by yourself．
A．those
B．what
C．that
D．the one
To be successful, you must be smart, confident, and, _____ honest. [ ]
A. therefore
B. above all
C. however
D. after all
