ERP系统内返单类型有那些？

根据下列句子及所给汉语注释，写出空缺处各单词的正确形式（每空只写一词）。

1. In the city, the water ______ (管子) in some buildings cracked and burst.

2. In fifteen terrible seconds a large city lay in ______ (废墟).

3. But how could the survivors believe it was natural? Everywhere they looked near everything was ______

    (破坏).

4. I am fond of my sister but she has one serious ______ (缺点). She can be really stubborn.

5. Water, food, and electricity were hard to get. People began to wonder how long the ______ (灾难) would

    last.

6. Two years ago she bought an expensive mountain bike and then she ______ (说服) me to buy one. And so

    I did.

7. The task was difficult, but Helen's ______ (坚决的) expression let me know that she would not give up.

8. Although many Americans move a lot, they still _______ (辨认出) and understand each other's dialects.

9. Sadly, I am only able to look at nature through dirty ______ (窗帘) hanging before very dusty windows.

10. ______ (青少年) like to gossip, and they often see something that isn't real.

近年来，我国城市建设和发展越来越注重以人为本，如城区汽车禁鸣、主干道路路面铺设沥青、住宅区道路两旁安装隔音板等．这些措施的共同点是（　　）

A．减弱噪声污染

B．缓解“热岛效应”

C．绿化居住环境

D．减少大气污染

不等式1≤3x-7＜5的整数解是______．

某工程合同价款为1000万元，1998年1月签订合同并开工，1998年10月竣工，1998年1月的工程造价指数为108%，1998年10月的工程造价指数为112%，则该工程价差调整额应为( )万元。

A．1037.98
B．964.89
C．37.04
D．40.08

存在于物料表面的润湿水、物料空隙中和粗大毛细管中的水分（）

A.结合水

B.非结合水

C.平衡水

D.非平衡水

E.自由水