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27. Please ______ the lights when you leave the classroom.

  A. turn in          B. turn up       C. turn off       D. turn out

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26. -Why didn’t Alice come to the party last night?

  -I don’t know ______.

  A. why didn’t she     B. why she didn’t    C. why did she       D. why she did

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25. I usually go to school ______ bike, but sometimes I go to school ______ foot.

  A. with; on        B. on; by         C. on; with            D. by; on

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24. Ted’s mother kept telling Ted not to tell lies, but ______ didn’t help.

  A. which               B. it            C. she                    D. he

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23. -Where is mom now?

   -I’m not sure. She ______ be in the kitchen.

  A. shall               B. may              C. need                   D. must

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22. Shark is getting old and cannot jump as ______ as he did.

  A. high           B. higher             C. highest            D. much higher

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第一节:单项填空(共15小题,每小题1分,满分15分)

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

21.Teaching ______ child to cook will improve many of the skills that he or she will need later in ______ life.

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

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4、上海目前每年消耗煤铁4200多万吨,占全市能源总量的70%左右,其煤铁消耗量和消耗密度居全国大城市之首。超大量用煤不仅影响上海国际化大都市的形象,也给上海及周边地区带来了严重的环境问题。据有关部门测算,上海每年酸雨发生率为11%,江苏省为21%,杭州等等浙江省主要城市高达50%。假如这些地区用天然气代替煤炭,可减少90%以上的氮.硫氧化合物和98%以上的二氧化碳排放量。(8分)

(1)以煤炭为主的能源消费结构,产生的环境问题是什么?

                                       

                                     (3分)

(2)上海煤炭的主要来源地是安徽淮南、淮北、江苏徐州、山西等地,其中山西大同的煤炭运往上海,经济合理的运输线路如何?

                                     (2分)

(3)天然气的使用对上海等地区的意义有哪些?

                                      (3分)

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