衡量公司行业竞争地位的主要指标是行业综合排序和产品的市场占有率。( )
参考答案：对
----Why do you think he is feeling spiritless ?
----Because Staying up late makes him at his worst _______physical situation.
A．in terms of
B．in addition to
C．on account of
D．regardless of
使用配制好的二硫化碳标准气体时，所取标气体积不应超过（）ml。
A.100
B.200
C.250
D.300
