模板工程的实施必须经过()。
A.支撑杆的设计计算
B.绘制模板施工图
C.制订相应的施工安全技术措施
D.施工组织设计
E.现场勘察
参考答案:A, B, C, D
The boys were happily making a snowman, _________ with cold.
A.their faces red
B.their faces were red
C.their faces to be red
D.their faces turned red
()中含糖量在20%以上。
A.香蕉
B.柑桔
C.苹果
D.鲜桃