The present difficulties（）from our fai

1、Our house is about a mile from the rai

Our house is about a mile from the railway station and there are not many houses（）.Ain betweenBfar apartCamong themDfrom each other

2、I had great difficulty________the suit

I had great difficulty________the suitable food on the menu in that restaurant.A findB foundC to findD finding

3、If the diesel fuel vapors present are

If the diesel fuel vapors present are within the flammable range （）.Athe vapor air mixture is too rich to burnBan explosion may occur if a...

4、莱伊尔（C. Lyell）有一句名言：“The present is the

莱伊尔（C. Lyell）有一句名言：“The present is the key to the past” ，这是地质学思维的基本方法，也是 的典型代表。（）A灾变论B火成论C均变论D固定论

5、The author presents this passage by .

The author presents this passage by .A telling an interesting story B describing an activity in a lively wayC testing an idea by reasoning D introducing a practical method

6、One of the difficulties in building an

One of the difficulties in building an SQL,like query language for the Web is the absence of a database(71) for this huge, heterogeneous repos...