重庆理工大学杨家坪校区动工开建时间是（） A.1953年10月 B.1954年5月

根据宪法制定的机关不同，可以把宪法分为民定宪法、钦定宪法和协定宪法。下列哪一部宪法是协定宪法( )

A．1830年法国宪法

B．1779年美国《邦联条例》

C．1889年日本宪法

D．1919年德国魏玛宪法

When George was thirty-five, he bought a small plane and learned to fly it.  He soon became very good and made his plane do all kinds of tricks (特技).

George had a friend, whose name was Mark. One day George offered to take Mark up in his plane.

Mark thought, “ I’ve traveled in a big plane several times, but I’ve never been in a small one, so I’ll go. ”

They went up, and George flew around for half an hour and did all kinds of tricks in the air.

When they came down again,  Mark was glad to be back safely, and he said to his friend in a

shaking voice, “Well , George,  thank you very much for those two trips in your plane.”

George was very surprised and said, “ Two trips? ”

“ Yes, my first and my last. ” answered Mark.

小题1:Which of the following statements is false?

A．George learned to fly a plane very quickly .

B．It took George a short time to learn to fly a plane.

C．George had some difficulty learning to fly a plane.

D．Mark decided to fly in George’s small plane.小题2:When George did some tricks with his small plane, Mark was _____.

A．unhappy

B．excited

C．frightened

D．surprised小题3:Mark went up in George’s plane _____.

A．twice

B．only once

C．several times

D．once or twice

下列有关妊娠期母体血流动力学改变的描述中，错误的是（）

A.心排血量增加

B.心排血量减少

C.每搏量增加

D.心率加快

E.血压的变化常受体位的影响

粉碎机的机械能主要转变成（）才能体现粉碎效率。

计算企业所得税时，下列捐赠可税前扣除的是（）。

A.纳税人直接向自然灾害地区的捐赠

B.纳税人通过希望工程基金会向贫困地区的捐赠的全额

C.纳税人通过某营业性社会团体向贫困地区的捐赠在年度应纳税所得额3%以内的部分

D.纳税人通过中国青少年发展基金会向教育基金的捐赠在年度应纳税所得额3%以内的部分