场地地面沉降观测点应在相邻地基沉降观测点布设线路之外的地面上()。
A、布置;
B、集中设置;
C、分散布设;
D、均匀布设。
参考答案:D
属于安全防护装置的有()
A、限位器
B、防冲撞装置
C、缓冲器
D、夹轨器
.
Jim has_______so much weight that many of his clothes don't fit him any more.
A.won
B.put
C.achieved
D.gained