例题
6.Liu Xiang came third ________ the 110-meter-hurdle race last month in Shanghai.
A. in B. from C. across D. through
【答案】A【解析】在...比赛中，要用介词in，故答案应选A。
7.We still gave the boy another chance ________ he made some mistakes.
A. though B. when C. unless D. because
【答案】A【解析】考查让步状语从句。句意：虽然这个小孩犯了一些错误，我们仍然再给他一次机会。所给选项中A是虽然;B是当...时候;C是除非;D是因为。根据题意选A。
8. When he was running after his brother, the boy lost his ________ and had a bad fall.
A. balance B. chance C. memory D. place
【答案】A【解析】考查名词词义辨析.句意：当他在追赶他哥哥的时候，这个男孩失去了平衡重重地摔了一跤.memory记忆.chance机会.balance平衡.place地方.根据第一句When he was running after his brother当他在追赶他哥哥的时候，和had a bad fall摔了一跤可知，他是失去了平衡才摔了一跤，故选A。
9. The park was full of people ________ themselves in the sunshine.
A. having enjoyed B. enjoyed C. enjoying D. to enjoy
【答案】C【解析】考查现在分词。句意：公园里到处都是人，他们在阳光下玩得很愉快。people和enjoy是主谓关系，且enjoy和主句的谓语动作同时发生，根据结构应该使用-ing形式。故选C。
10. An advantage of living on the top floor of a high rise building is that you can get a good ________.
A. scene B. scenery C. sight D. view
【答案】D。【解析】考查名词词义辨析。句意：住在高楼大厦顶层的优点是你能看很好地欣赏风景。scene表示“场景”，指某地的景色、风景，指展现在眼前的情景;scenery指自然景色;sight景象;view指从高处或者远处看到的景色。故D选项正确。