梁柱连接也可在柱型钢上设置工字钢牛腿钢牛腿的高度不宜小于()梁高
A.0.5倍
B.0.6倍
C.0.7倍
D.0.8倍
参考答案:C
青蒿能够治疗的病证是()
A.泻痢
B.血热出血证
C.食积气滞,腹胀便秘
D.蛔虫病
E.疟疾
More and more young people are fond ____ playing tennis nowadays. [ ]
A. on
B. to
C. in
D. of