A subway is an effective way to solve traffic problems in_________big city. It has evident advantages, such as_______speed and convenience.

       A．the; the     B．a; the C．a; /    D．the; a

A subway is an effective way to solve traffic problems in        big city. It has evident advantages, such as        speed and convenience.

       A．the; the     B．a; the C．a; /    D．the; a

A subway is an effective way to solve traffic problems in        big city．It has evident advantages, such as        speed and convenience.

A．the; the          B．a; the           C．a; /          D．the; a

第一部分：英语知识运用（共两节, 满分30分）

第一节：单项填空（共20小题；每小题0.5分，满分10分）

从每题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1．A subway is an effective way to solve traffic problems in_____big city. It has evident advantages, such as     speed and convenience.

       A．the; the     B．a; the C．a; /    D．the; a

第一部分：英语知识运用（共两节, 满分30分）
第一节：单项填空（共20小题；每小题0.5分，满分10分）
从每题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．A subway is an effective way to solve traffic problems in_____big city. It has evident advantages, such as    speed and convenience.
A．the; the     B．a; the C．a; /    D．the; a