谈判者应注意的仪态之一是______。
A.目光 B.表情 C.服饰 D.行走
参考答案:A
My sister still wants to go to school_______ she is ill.
A.although
B.for
C.at
D.and
影响鼓风动能的因素有风量、压力、风温、风口数目、()等。