第一节：单项填空(共15小题;每小题1分,满分15分)
1. Li Qiang caught sight of Wang Ping in the hovering carriage again and no time he flew after his friend.
A. a; in B. /; at C. a; at D. /; in
2. We should combine our efforts to make sure our children are not _______ to bad living conditions.
A. affected B. exposed C. exposing D. effected
