夜盲症发生的原因是A.视蛋白合成障碍 B.维生素A过多 C.视紫红质过多 D.视紫红

题型:单项选择题

问题:

夜盲症发生的原因是

A.视蛋白合成障碍

B.维生素A过多

C.视紫红质过多

D.视紫红质不足

E.视黄醛过多

考点:专升本考试医学综合专升本(医学综合)14
题型:单项选择题

阅读短文,根据短文判断正误,正确的选A.错误的选B。

     Jim's family likes to travel by train, because they think it is cheaper and more enjoyable than a trip by air.

Last week they took a train to Chengdu before they went on to Mount Emei by bus. At the very lively station,

Mrs. Green bought some food, fruit and drinks. The train was quite comfortable because there weren't too

many people on it. They kept watching the beautiful scenery out of the window. The conductor kept coming

to offer them hot water and magazines. Jim and his sister, Kate, played cards with people nearby. A young

man practiced speaking English with Mr. Green. Although it was a long journey, none of them felt tired.

( )1.Jim's family likes to take trains to travel around.

( )2.They went to Chengdu by air last week.

( )3.Mr. Green bought some food, drinks and newspapers on the train.

( )4.The train was uncrowded.

( )5.A young man practiced speaking English with Mrs. Green.

题型:单项选择题

列式计算.

(1)480除以60,商是多少?

(2)720是80的多少倍?

(3)从280里连续减去40,减多少次差是0?

题型:单项选择题

以下选项中,关于层的说法错误的是()。

A.使用层进行排版是一种非常自由的方式

B.层可以将网页在一个浏览器窗口下分割成几个不同的区域,在不同的区域内显示不同的内容

C.可以在网页上任意改变层的位置,实现对层的精确定位

D.层还可以重叠,因此可以利用层在网页中实现内容的重叠效果

题型:单项选择题

对于板钢轧辊,配炉时应留()吨剩余量。

A.2

B.1.5

C.1

题型:单项选择题

2004年,某综合服务公司全年取得营业收入3800万元,出租库房取得租金收入 120万元,取得合作方违约罚款收入80万元。当年各项营业费用支出1600万元,缴纳营业税等税金130万元,支付工资总额400万元,按工资总额和规定比例分别提取职工工会经费8万元、职工福利费 56万元、职工教育经费6万元(该公司有职工300人,计税工资标准为每月人均 800元),支付财产保险费共计15万元,因运输事故损失40万元,得到保险公司赔偿30万元,用于职工宿舍建造支出200万元。
根据上述资料回答下列问题:

应纳所得税为( )万元。

A.629.178
B.563.178
C.619.278
D.648.978

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