请根据以下表格中的信息介绍2010年上海世博会：

注意：不要拘泥于要点，可以适当发挥，词数120左右

 参考词汇：促进：promote 产品博览会：exposition 创新：innovation.

 --John has put forward_______most challenging question for us to answer.

  --Yes, it really is. I have never heard_____ harder one.

    A.the; /          B.a; a            C./;  the         D.the; the

 --- Jim, do you have the time?

   --- _______.

   --- Never mind. Thanks anyway.

    A. Of course, I do. The time is 10:30

    B. Sure. But I’m afraid it’s too late for me

    C. Yes, it’s half past nine

    D. Sorry, but I left my watch home

 In front of our house ________ we used to swim.

A. a river lies that                     B. does a river lie where  

C. lies a river which                    D. lies a river where

 ______ in her most beautiful skirt, the girl tried to make herself ______ at the party．

A.Dressed; noticed                 B.Dressing; noticed

C.Dressed; noticing               D.Dressing; being noticing

 What do you think of the suggestion that she ________ at the meeting last week?

A.should make  B.make           C.made      D.makes

 On farewell party the foreign teacher gratefully _________ all the helps from all the school.

    A.thank          B.acknowledge      C.claim        D.declare

 Being examined twice a year, whether it is a car or a bus or a truck, is the rule that every driver _____ obey in this city.

    A.shall          B.can              C.ought to     D.need

 I enjoyed very much the three years ______ it had taken me to study English at school.

    A. which        B. what            C. when        D. how

 ________ reducing pullution, man should pay more attention to conserving energy.

    A.As well as     B.As long as       C.As far as     D.As soon as