脂肪能够促进()等维生素的吸收。 A.维生素A、维生素 D、维生素K B.维生素 B、维

题型:单项选择题

问题:

脂肪能够促进()等维生素的吸收。

A.维生素A、维生素D、维生素K

B.维生素B、维生素C、维生素E

C.维生素C、维生素K、维生素U

D.维生素PP、维生素A、维生素E。

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题型:单项选择题

阅读理解。

     The first thing that man invented for sports was the ball.

     In ancient Egypt, everywhere, throwing stones was the game that children loved most. But it was bad

to hurt a child throwing a rock. While looking for something less dangerous to throw, the Egyptians made

the first ball.

     At first, balls were made of grass of leaves held together by vines  (藤条). Later they were made of

pieces of animal skin sewed together and filled with feathers.

    Even though the Egyptians were warlike, they found time for peaceful games, each with its own set of

rules. Maybe they played ball more for instruction than for fun. Ball playing was thought of mainly as a way to teach young men the speed and the skill they would need for war.

1. The best title for the story is             .   

A. The First Ball Games

B. The Children's Game

C, Egyptian Sports

D. The Need for War        

2. The ball was probably first invented by _          .   

A. children              

B. man

C. young men          

D. Egyptians

3. The first balls were probably made of              .  

A. rocks                

B. feathers

C. animal skin            

D. grass or leaves

4. The Egyptians thought that ball playing was            .     

A. only for fun        

B. mainly for invention

C. a dangerous game    

D. a peaceful game

5. The Egyptians were fond of              .      

A. basketball playing       

B. baseball playing

C. ball playing

D. badminton playing

题型:单项选择题
椭圆
x2
4
+
y2
m
=1
的离心率为
1
2
,则m=______.
题型:单项选择题

不须在原开户信用社(网点)办理的个人业务是()。

A、富利宝签约

B、口头挂失

C、存款证明

D、账户基本信息维护

题型:单项选择题

被后人称为“南曲之宗”的作品是()

A、《琵琶记》

B、《荆钗记》

C、《拜月记》

D、《杀狗记》

题型:单项选择题

关于生态系统稳定性的正确叙述是()

①负反馈调节是生态系统具有自我调节能力的基础

②“遭到破坏,恢复原状”属于抵抗力稳定性

③人们对自然生态系统“干扰”不应超过其承受能力

④热带雨林遭到严重的砍伐后,其恢复力稳定性仍很强

A.①④

B.②③

C.①③

D.②④

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