НМ109系列密封剂的硫化条件为在标准环境条件下放臵24h（或密封剂达到不粘期）后，

保护接地的电阻不得大于（）欧姆。

A、6；

B、5；

C、4；

D、3

After driving for five hours, they arrived at_______they thought was the place th ey had been dreaming of.

A．what

B．that

C．which

D．where

环境镉污染可致（）。

A.水俣病

B.痛痛病

C.癞皮病

D.脚气病

E.克汀病

某采用装运港船上交货价的进口设备，货价为1000万元人民币，国外运费为90万元人民币，国外运输保险费为10万人民币，进口关税为150万人民币。则该设备的到岸价为（）万元人民币。

A.1090

B.1100

C.1150

D.1250

It is reasonable to assume that demand for sophisticated emergency medical treatment is higher in Jerusalem, where terrorist bomb attacks were frequent incidents.