26、You must explain       how they succeeded       the experiment.

       A．of us; to              B．at us; at               C．to us; in              D．for us; in

25、―Lily, it’s your turn to clean the room.

―       ?

       A．Mine                   B．Me                      C．I                         D．My

24、―Excuse me, but I don’t think you can smoke here.

―Really sorry, I       this is a non smoking room

       A．don’t know         B．didn’t know         C．have no idea        D．haven’t known

23、As we know,        mathematics is       language of       science.

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

22、breath                  A．breathe              B．months                 C．paths           D．mouths

21、soul                     A．soap       B．through             C．soup                   D．would

20、exhibition             A．exist                  B．expert                   C．express        D．excuse

19、science                A．friend                B．society                  C．cookie          D．achieve

18、strong         A．longer                 B．single                  C．singer           D．younger

17、

根据下而面的图表提示，以“Air Pollution”为题，报道某城市空气污染情况，并就如何改进提出两条可行的建议：改进新能源；绿化城市；

注意：

1． 词数100词左右；

2．开头已为你写好，不计入总词数；

3．参考词汇：

车辆vehicle   有毒的poisonous   因素factor

Air pollution

With the development of industry, air pollution is getting more and more serious. In this city, many people suffer from different kinds of illness because of air pollution.

二、选择题

（每空？ 分，共？ 分）