气动夯管锤的特点有( )。
A.地层适用范围广
B.铺管精度较高
C.对地表的影响较大
D.夯管锤铺管适合较长长度的管道铺设
E.投资和施工成本低
参考答案:A,B,E
根据句意和首字母提示完成单词。
1. Sue has a great sports c________: balls, rackets and so on.
2.—Do you like math?
—No, I think it is d________.
3.—Let's play soccer.
—No, it's b________.
4. There are some tennis r________ on the floor.
5.—Let's play computer games.
—OK.That sounds i________.
尿路感染确定诊断,主要依靠
A.症状和体征
B.尿蛋白定量
C.尿细菌学检查
D.B超检查
E.肾活检