以下哪些是风寒感冒主要的临床表现()
A.恶寒重,发热轻,无汗
B.头痛,肢节酸痛
C.鼻塞流清涕
D.口不渴或渴喜热饮
E.舌苔薄黄,脉浮数
参考答案:A, B, C, D
—Why is the house in a mess?
—I it for Christmas since three days ago.
A.cleaned
B.cleans
C.have cleaned
D.have been cleaning
监控工程使用上,RS232接口线一般不宜超过()米。
A.10M
B.15M
C.200M
D.1200M