1.The socks were too small and it was only by ________ them that he managed to get them on.
　　A) spreading
　　B) extending
　　C) lengthening
　　D) stretching

　　2.Language can be defined as a tool by which human beings ________ with one another.
　　A) associate
　　B) connect
　　C) communicate
　　D) correspond

　　3.As a small boy, he was slow ________ learning to read and write.
　　A) on
　　B) with
　　C) in
　　D) about

　　4.Tony was ________ a mile of the hotel when he ran out of petrol.
　　A) within
　　B) inside
　　C) about
　　D) off

　　答案及解析：

　　1.spread伸展, 展开, 铺, 涂, 敷, 摆, 传播, 散布, extend扩充, 延伸, lengthen延长, (使)变长,stretch铺开, 把...拉直[长]。所以正确答案应该选择D。
　　2.associate使发生联系, 使联合，connect连接, 联合, 关连， communicate沟通, 通信,correspond符合, 协调, 通信, 相当, 相应。所以正确答案应该选择C。
　　3.on关于, 涉及, with和...一致, 赞成, in在....方面,about关于。所以正确答案应该选择C。
　　4.within里面的, 内部的, inside在...之内, about关于, off离开, 在远方,Tony的车没汽油时，离宾馆只有1英里了。所以正确答案应该选择D。