若曲线y=x4-x在点P处的切线平行于直线y=3x,则点P的坐标是( ) A.(

题型:选择题

问题:

若曲线y=x4-x在点P处的切线平行于直线y=3x,则点P的坐标是(  )

A.(1,3)

B.(-1,3)

C.(1,0)

D.(-1,0)

考点:导数的运算两直线平行、垂直的判定与性质
题型:选择题

用“多一些”、“少一些”或“多得多”、“少得多”填空,并说一说。

小明今年10岁,哥哥15岁,爷爷68岁。

1.哥哥的年龄比小明(    ),比爷爷(    )。

2.爷爷的年龄比小明(    ),也比哥哥(    )。

题型:选择题

Notting hill is a small town  west of London. Here lives shy  William, a divorced(离婚) man, who owns a little travel-book store.

It was a Wednesday, when the poor shop keeper happened to meet Anna Scott ,a movie star who walked into his shop.

They ran across each other in the street again. And they found themselves falling in love. But how could a poor man keep the love of a famous star? Their lives and their worlds were so different.

Six months later, Anna was in London again for her new film. She came to William’s thought …

Length(长度):110 minutes

Director:David Duning

Cast:Julia Roberts(actress),  Hugh Grant(actor)

小题1:According to the passage, who most probably plays the role of Anna in the film ?

A.Julia Roberts.

B.Hugh Grant.

C.David Duning.

D.Not mentioned.小题2:How did William and Anna get to know each other first?

A.Anna was invited to visit William’s book store.

B.Anna ,a film star, walked into William’s book store.

C.William was introduced by Anna’s friend.

D.They met each other in the street accidently.小题3:What did  William do according to the passage?

A.A movie star .

B.A book store owner

C.A man called William.

D.We don’t know .小题4:What is the passage mainly discussing ?

A.A book named Notting.

B.A small town in West London.

C.A man called William.

D.A film.

题型:选择题

电力系统发生短路会引起电流、电压如何变化?

题型:选择题

权利的贫困,很容易使人进入失败的循环。继续失败仿佛成为宿命,而改变命运则几乎不可能。一个被失败情绪笼罩的人,极易从开始的被动边缘化逐渐进入到主动边缘化,成为敌视社会的他者。 下列符合文意的是:

A.长久沉浸于失败的颓唐中,必定敌视社会

B.长久沉浸于失败的颓唐中,容易敌视社会

C.缺乏权利的人必定失败

D.缺乏权力的人容易失败

题型:选择题

称为法定名的是:()

A.通用名

B.商品名

C.化学名

D.别名

更多题库