13．---He was nearly drowned once.

　　 ---When was _____?

　　 ---_____ was in 1998 _____ he was in middle school.

　 A．that, It, when　 B．this, This, that　 C.that, It, that D．this, This, when

12．A model or an experiment in a science class can help us see things which would _____ remain hidden.

　 A．otherwise　　　 B．yet　　　　　 C．therefore　　　 D．still

11．--- The Singaporean singer Stefanie Sun took the Most Popular Female Award in Hong Kong.

　　 --- But when she studied in middle school, no fans could have imagined how well she _____ in the world of entertainment.

　 A．would do　　　　 B．was doing　　 C．had done　　　　 D．did

10．Although Jiamusi has a population of more than 2 million, the city was little affected by the tragedy because it relies on underground water _____ its main water source.

　 A．to　　　　　　　 B．on　　　　　　 C．as　　　　　　　 D．in

9．Tom has missed yesterday’s class, so _____ one example is necessary to get him to grasp this rule clearly.

　 A．rather than　　 B．other than　　 C．more than　　　 D．less than

7．--- When did the Chinese astronauts make their second trip in Shenzhou VI to space?

　 --- In about mid-October, and they _____ there for more than 110 hours.

　 A．stayed　　　　　 B．were staying　 C．had stayed　　　 D．has stayed

　 A．result from　　 B．lead to　　　 C．lie in　　　　　 D．settle down

6．---The research on rescuing as many coal miners as possible is challenging and demanding. Who do you think can do the job?

　 --- _____ my colleague have a try?

　 A．Shall　　　　　 B．Must　　　　　 C．Will　　　　　　 D．Should

5． Most children with healthy appetites are ready to eat almost anything that is offered and a child rarely dislikes food _____ it is badly cooked.

　 A．if　　　　　　　 B．until　　　　 C．that　　　　　　 D．unless

4．In time of social reform, people’s state of mind tends to keep__with the rapid changes of society.

　 A．step　　　　　　 B．touch　　　　 C．progress　　　　 D．pace

3．_____ 500g of honey, a single bee would have to make about 10 million trips from the hive to the flower and back again.

　 A．Producing　　　 B．To produce　　 C．Being produced　 D．Having produced