塔桅结构所承受风荷载的计算应按现行国家标准《建筑结构荷载规范》GB50009-2001的规定执行,基本风压按50年一遇采用,但基本风压不得小于()。
参考答案:0.35 kN/m2
Your headmaster would have been happy to give you two days off, if you had gone and explained that your parents ________ ill at the time.
A.were
B.had been
C.are
D.would be
患儿,3岁8个月。症见口渴咽痛,鼻塞流涕,咳嗽不爽,痰稠难咯,汗出恶风,舌红苔薄黄,脉浮数。治疗首选方剂是().
A.桑菊饮
B.荆防败毒散
C.沙参麦冬汤
D.二陈汤
E.杏苏饮