1. The GREy building is where the workers live， and the white one is where the spare parts .
A)are producing B)are produced
C)produced D)being produced（B4.1995.1-41）
2.He when the bus came to a sudden stop.
A） was almost hurt B） was hurt himself
C） was to hurt himself D） was hurting himself（B4，1996.6-70）
3. The last half of the nineteenth century the steady im-provement in the means of travel.
A） has witnessed B） was witnessed
C） witnessed D） is witnessed(B4，1998.6- 41)
4. He to accept the usual sayings about how things were developed.
A） did not prepare B） was preparing
C） was not prepared D） was not to preparing
5. We are tempted(A) to think(B) that most errors caused(C) by interference(D) from the native language.
6. Economic(A) uncertainty， of course， is precisely(B) why commodity future(C) market is existed(D). （TOEFL，1997）
参考答案：
1. B对。灰色的那栋建筑物是工人居住的地方,白色的那栋是生产零件的地方。
2. A对. 公共汽车突然刹车时,他差一点受伤。
3. C对。十九世纪的后半叶,旅游的工具确实改善了。
4. C对。他不愿意接受关于事物如何发展的一般说法。
5. C错。应改为are caused。我们倾向于认为:大部分错误都是由于母语的干扰引起的。
6. D错,应改为existed。当然,经济不稳定正好是商品期货市场存在的原因。
