问题详情

是函数的导函数,将的图象画在同一个直角坐标系中,不可能正确的是( )

【回答】

 D

知识点:导数及其应用
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相关问题
1.

在△ABC中,A=60°,AB=2,且△ABC的面积为,则BC的长为(  )

A.                           B.

C.2                         D.2

知识点:解三角形
题*:选择题
2.

,且满足,则的值为(     ).

(A)1

(B)2

(C)

(D)

知识点:数学竞赛
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3.

The True Story of Treasure Island

It was always thought that Treasure Island was the product of Robert Louis Stevenson’s imagination.    1   , recent research has found the true story of this exciting work.

Stevenson, a Scotsman, had lived     2    for many years.In 1881he returned to Scotland for a      3    .With him were his American wife Fanny and his son      4     .

Each morning Stevenson would take them out for a long     5    over the hills.They had been     6    this for several days before the weather suddenly took a turn for the worse.Kept indoors by the heavy rain, Lloyd felt the days     7  .To keep the boy happy, Robert asked the boy to do some     8    .

One morning, the boy came to Robert with a beautiful map of an island, Robert     9   that the boy had drawn a large cross in the middle of     10   .“What’s that?” he asked.“That’s the    11     treasure,” said the boy.Robert suddenly12     something of an adventure story in the boy’s   13    .While the rain was pouring, Robert sat down by the fire to write a story.He would make the    14   a twelve-year-old boy, just like Lloyd.But who would be the pirate(海盗)?

Robert had a good friend named Henley, who walked around with the   15   of a wooden leg.Robert had always wanted to    16    such a man in a story.  17    Long John Silver, the pirate with a wooden leg, was     18    .

So, thanks to a    19   September in Scotland, a friend with a wooden leg, and the imagination of a twelve-year-old boy, we have one of the greatest     20   stories in the English language.

1.A.However       B.Therefore             C.Besides          D.Finally

2.A.alone               B.next door            C.at home         D.abroad

3.A.meeting           B.story                C.holiday           D.job

4.A.Lloyd             B.Robert              C.Henley          D.John

5.A.talk               B.rest                C.walk            D.game

6.A.attempting           B.missing            C.planning              D.enjoying

7.A.quiet               B.dull               C.busy                D.cold

8.A.cleaning             B.writing               C.drawing              D.exercising

9.A.doubted             B.noticed           C.decided               D.recognized

10.A.the sea          B.the house         C.Scotland          D.the island

11.A.forgotten          B.buried           C.discovered          D.unexpected

12.A.saw             B.drew            C.made                  D.learned

13.A.book            B.reply            C.picture          D.mind

14.A.star               B.hero            C.writer          D.child

15.A.help           B.problem         C.use                     D.bottom

16.A.praise             B.produce         C.include          D.accept

17.A.Yet            B.Also                C.But                 D.Thus

18.A.read           B.born            C.hired                   D.written

19.A.rainy          B.sunny           C.cool           D.windy

20.A.news          B.love                 C.real-life               D.adventure

知识点:阅读理解
题*:未分类
4.

下列句子中“像”字表比喻的一项是


A.像花而又不是花的那一种落蕊,早晨起来,会铺得满地。


B.北方人念阵字,总老像是层字,平平仄仄起来,这念错的歧韵,倒来得正好。


C.或在破壁腰中,静对着像喇叭似的牵牛花的蓝朵,自然而然地也能感觉到十分的秋意。


D.这秋蝉的嘶叫,在北平可和蟋蟀耗子一样,简直像是家家户户都养在家里的家虫。

知识点:单元测试
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