经空气传播疾病其流行特征有()
A.多见于冬春季节
B.与人口密度、居住条件有关
C.儿童多见
D.未免疫人群中呈周性升高
E.患者潜伏期较长
参考答案:A, B, C, D
一患者四肢倦怠。疲乏无力,嗜卧懒言。
治疗时不宜用的药物是()
A.人参
B.党参
C.西洋参
D.太子参
E.丹参
We'd be very grateful if you could join us because your cooperation will______the timely completion
of our project. [ ]
A. reach for
B. make for
C. go for
D. stand for