承台基坑开挖前应做那些准备工作?
参考答案:
(1)测定基坑中心线、方向和高程;
(2)按地质、水文资料,结合现场情况,确定开挖坡度、支护方案、开挖范围和防、排水措施。
Tom was nine years old and he went to a school near his house. He went there on foot and came back home usually at 4 o’clock. But last Monday he was very late. His mother asked, “Why are you so late today, Tom?” “Because my teacher asked me to stay behind (留下)” Tom answered. “Why did the teacher make you stay behind?” the mother asked again. “Because no one could answer the teacher’s question except (除了)me,” Tom said. “What was the question?” his mother asked. “The question was ‘Who broke (打破) the window of the classroom?’” Tom said.
小题1:The school was _____________ Tom’s house.
A.far from
B.near
C.nine meters to
D.behind小题2:Tom went to school _________________.
A.on foot
B.by bus
C.by bike
D.by car小题3:Last Monday Tom came home __________________.
A.earlier
B.hungry
C.late
D.happy小题4:---Why did Tom stay behind after school? ---Because_________________.
A.he did something wrong
B.he did something right
C.he liked to stay there longer
D.his mother asked the teacher to do so小题5:His mother might (可能) be very ________________when she heard about that.
A.hungry
B.pleased
C.happy
D.angry
1978年,世界银行、国际咨询工程师联合会对项目的总建设成本作了统一规定,工程项目总建设成本包括( )等。
A.直接建设成本
B.间接建设成本
C.应急费
D.预备费
E.建设成本上升费