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25. In fact, Picasso abandoned the old style of painting and starting from scratch, ________a style of art known as cubism.

  A. to create         B. creating            C. created           D. having created

試題詳情

24. Just on the surface of the pond ________, giving people a feeling of being peaceful.

  A. floated hundreds of lotus plants            B. did hundreds of lotus plants float  

C. hundreds of lotus plants were floating        D. hundreds of lotus plants floated

試題詳情

23. Last week the professor delivered a speech, over half of which was ________ to the issue of unemployment.

  A. exhibited         B. spent              C. admitted          D. devoted

試題詳情

22. ---Shall we go to the exhibition or to the concert?

  ---________.

  A. It’s your opinion                       B. I don’t mind

  C. That’s your decision                    D. It’s all up to you

試題詳情

第一節(jié): 單項(xiàng)填空(共15小題;每小題1分,滿(mǎn)分15分) 從A、B、C、D四個(gè)選項(xiàng)中,選出可以填入空白處的最佳選項(xiàng)。

21. In 1970, Kate, ________small British child, performed on ________stage for the first time.

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

試題詳情

20、(本題16分)已知函數(shù)

(1)試求所滿(mǎn)足的關(guān)系式;

(2)若,為增函數(shù),求的取值范圍。

(3)若,方程有唯一解,求a的取值范圍;

試題詳情

19、(本題16分)如圖,寬為的走廊與另一寬為b的走廊垂直相連,設(shè)細(xì)桿AC的長(zhǎng)為,

(1)試用表示

(2)當(dāng)時(shí),求當(dāng)細(xì)桿AC能水平通過(guò)拐角時(shí)的最大值;

(3)當(dāng)=8a時(shí),問(wèn)細(xì)桿AC能水平通過(guò)拐角,則另一走廊寬b至少是多少?

試題詳情

18.(本題15分)已知函數(shù)().

(1)若的定義域和值域均是,求實(shí)數(shù)的值;

(2)若在區(qū)間上是減函數(shù),且對(duì)任意的,,總有,求實(shí)數(shù)的取值范圍.

試題詳情


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