一个梯形和一个三角形的面积之和等于一个平行四边形的面积,那么这个梯形和这个三角形

题型:解答题

问题:

一个梯形和一个三角形的面积之和等于一个平行四边形的面积,那么这个梯形和这个三角形就能拼成一个平行四边形.______.(判断对错)

考点:三角形的周长三角形的面积
题型:解答题

阅读理解。

     There was a wolf. One morning, he felt very hungry. So he went out to

look for something to eat.  He saw a small house.  When he came near the

house, he heard a boy crying in the house.  Then he heard the mother say,

"Be quietl Stop crying, or l will throw you to a wolf!" The wolf was

surprised, but very happy about the mother's words.

     The wolf sat down under an open window and waited for the mother to

give the boy to him.  The wolf waited for all day, but the mother didn't give

the boy to him. Then, the evening came.  The wolf heard the mother's song

to make the child sleep,"There, dear, there! The wolf cannot get you.  No,

no! Daddy is watching.  And Daddy will kill him if he comes near!"Just

then the father came back,  and the wolf  ran away.

1. The wolf heard the boy________when he came near the house.

A. smiling

B. laughing

C. crying

D. shouting

2. The wolf was very________about the mother's words.

A. sad

B. relaxing

C. angry

D. pleased

3. Did the mother give her son to the wolf?

A. Yes.

B.No.

C. I don't know.

D. The story didn't tell us.

4. Who will kill the wolf from the mother's words?

A. The father.

B. Nobody.

C. The mother.

D. The son.

5. What did the wolf do at last?

A. He didn't run away.

B. He was killed by the father.

C. He ran away.

D. He killed the son.

题型:解答题

为了搞活经济,某商场将一种商品A按标价9折出售,仍获利润10%,若商品A标价为33元,那么商品进货价为[ ]

A.31元

B.30.2元

C.29.7元

D.27元

题型:解答题

在假彩色卫星影像上,关于地物的形状描述,正确的是(    )

A.湖泊、城市为不规则的点状或星状

B.道路、河流多是线状

C.村庄为面状

D.湖泊、城市、道路、河流、村庄都是面状

题型:解答题

下列具有抗动脉粥样硬化作用的脂类是( )

A.三酰甘油(甘油三酯)
B.胆固醇
C.HDL
D.LDL
E.VLDL

题型:解答题

质量体系中纠正措施产生的永久性更改,应纳入作业指导书、生产过程文件、()和(或)质量体系文件中。

A、修改规范

B、产品规范

C、产品检查

D、文明生产

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