【单选题】When Feld saw Max, he was ______.
【简答题】下列各项中属于直接作用(荷载)的是______;属于间接作用的是______。(填序号) ①结构自重 ②水压力 ③地震 ④汽车轮压 ⑤温度收缩 ⑥预应力 ⑦焊接变形⑧固定设备重 ⑨砂石临时堆重 ⑩土压力 ⑥基础沉降⑩爆炸
【判断题】儿童少年应注意正确体姿的培养和身体的全面锻炼
【单选题】Where has the man been to?
A.
He has gone travelling.
B.
He has been on holiday.
C.
He has been on sick leave.
D.
He has been on a business trip.