人教新目标九年级英语第12单元诊断性自测题及答案

九年级英语第12单元诊断性自测题 Unit 12 Life is full of the unexpected. I. 单项填空。 ( )1. I think I have ________ my key in the car. A．forget     B. left     C．forgotten    D．leave ( )2. — Is Mount Tai the highest mountain in Shandong? — I think so. It is 1,545 meters 　　　　 sea level. A. under B. above C. past D. along ( )3. — After being trapped (困住) for 36 days, Strong Pig was still 　 when people found it. — It was great news. A. alive B. lively C. lived D. live ( )4. — Columbus was a man who changed the world. — I agree. His 　　　　 of America was one of the greatest events in human history. A. invention B. discovery C. appearance D. agreement ( )5. — Is the airport closed because of the bad weather? — No. But my flight to Beijing was 　　　　 because of it. A. locked B. booked C. lost D. cancelled ( )6. — Did Mrs. Smith call you yesterday? — Yes.