欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

 0  421736  421744  421750  421754  421760  421762  421766  421772  421774  421780  421786  421790  421792  421796  421802  421804  421810  421814  421816  421820  421822  421826  421828  421830  421831  421832  421834  421835  421836  421838  421840  421844  421846  421850  421852  421856  421862  421864  421870  421874  421876  421880  421886  421892  421894  421900  421904  421906  421912  421916  421922  421930  447090 

27.----- Did Mary come to the party?

   ------ I don’t know.She _______ while I was out.

    A.may have come                B.must have come 

    C.might come                    D.could come    

試題詳情

26.I haven’t seen ____ of her films, but _____ from the one I have seen recently, I think she’s a

    promising actress.

    A.a(chǎn)ny, judging     B.both, judging                   C. either, judged     D. none, judged

試題詳情

25.     her leg was wounded, she     up the stairs.

    A.In spite of; managed to get        B.In spite of; succeeded getting

    C.Although; managed getting        D.Although; managed to get

試題詳情

24.If you live in the country or have ever visited there, ___ are that you have heard birds singing to welcome the new day. 

    A.situations     B.facts     C.chances       D.possibilities

試題詳情

23.This is the second time Nie Haisheng ______ to be the astronaut who took the glorious task.

    A.has been chosen                B.had been chosen  

    C.was chosen                   D.chose

試題詳情

22.This _____ girl is Linda’s cousin..

    A.pretty little Spanish        B.Spanish little pretty 

    C.Spanish pretty little        D.little pretty Spanish

試題詳情

第一節(jié):單項填空;共15小題;每小題1分,滿分15分

21.Expo 2010 Shanghai will offer ___ wonderful opportunity for ___ cross-cultural dialogues.

    A.a(chǎn) , 不填      B.a(chǎn);  the      C.不填; the       D.the, 不填

試題詳情

22.(本小題滿分14分)

    已知曲線上一點作一斜率為的直線交曲線于另一點,點列的橫坐標(biāo)構(gòu)成數(shù)列,其中

  (I)求的關(guān)系式;

  (II)令,求證:數(shù)列是等比數(shù)列;

  (III)若(λ為非零整數(shù),),試確定λ的值,使得對任意.都有cn+1>cn成立。

試題詳情

21.(本小題滿分12分)

    已知函數(shù),其中為實常數(shù)。

  (1)當(dāng)時,恒成立,求的取值范圍;

  (2)求函數(shù)的單調(diào)區(qū)間。

試題詳情


同步練習(xí)冊答案