2008年5月以来，国际金融危机蔓延，国内经济增长速度放缓，一线城市房价下跌，深

干缩性较大，适用于有抗渗要求、大体积的工程，不宜用于耐磨性要求高的工程的水泥是( )。

A．火山灰质硅酸盐水泥

B．粉煤灰硅酸盐水泥

C．硅酸盐水泥

D．矿渣硅酸盐水泥

同义句转换。

1. Her mother does not agree with her friendship with John.

    Her mother does not ____ ____ her friendship with John.

2. The concert which was given by their friends was a great success.

    The concert ____ ____ ____ ____ was a great success.

3. At airport security inspection is given in order that the security on

    board may be guaranteed to a certain degree.

    At airport security inspection is given ____ ____ the security on

    board may be guaranteed to a certain degree.

4. I would advise you to attend your manners.

    I would suggest ____ ____ your manners.

5. He will be considered to be a weak leader.

    He will be considered ____ ____ ____.

结构化生命周期法的缺点主要表现在（）。

电缆插头主要起（）作用。

A、站缆连接

B、采集信号

C、中转信号

D、电源站

读下面地质构造图，回答题

下列山体的形成与③处的地质构造相关的是（）

A.喜马拉雅山

B.南岭

C.庐山

D.富士山