六淫邪气中纯属外邪的是()
A.风
B.寒
C.暑
D.湿
E.火
参考答案:C
All of us were very _____________ at the party.[ ]
A. excited
B. exciting
C. an exciting
D. excite
在含油指标控制中,严格执行反冲洗操作规程,对压力过滤罐进行反冲洗,保证压力过滤罐出水的悬浮物含量降到()以下。
A.10mg/L
B.30mg/L
C.50mg/L
D.100mg/L