如果让字幕从屏幕外开始向上飞滚，应该设置（）参数。

阅读短文，根据要求完成下面各小题。

      Hi, dear boys and girls! Do you know how to be a healthy kid? Here are some rules you should follow.

      First, eat different foods, especially fruit and vegetables. (3) You may have a favourite food. but you'd

better eat something different. If you eat different foods, you will probably get more nutrients (营养物质) your

body needs. 

      Second, drink water and milk as often as possible. When you're mally thirsty,cold water is the No. 1 choice.

Milk is a great drink that can give you more calcium (钙) your body needs to grow strong bones(骨头).

      Third, listen to your body. How do you feel when you are full? When you are eating,notice how your body

feels and when your stomach (胃) feels comfortably full. (4) Eating too much will not make you feel

comfortable and make you fat. 

      Fourth, limit (限制) screen time. Screen time is the time you watch TV, DVDs and videos, or using

computers. It is good to take more exercise such as basketball, bike riding and swimming. You can't watch TV

for more than two hours a day.

      Fifth, be active. One thing you'd like to do as a kid is to find out which activity you like best. Find ways to

be active every day.

      Follow these rules and you can be a healthy kid.

1. If you are thirsty, what kind of drinks should you choose? 

   _____________________________________________________

2. How many rules should you follow if you want to be healthy? 

   _____________________________________________________

将短文中划线的两个句子译成汉语。

3. ____________________________________________________

4. ____________________________________________________

5. 请给短文拟一个适合的标题。

   ____________________________________________________

一根铁丝正好能围成边长为7分米的正方形，如果用这根铁丝围宽6分米的长方形，长方形的面积有多大？

规划评估与规划研究的主要区别在于( )。

A．两者研究的内容不同

B．规划研究的范围更广

C．两者所采用的方法不同

D．规划评估比规划研究更加宏观

《煤矿安全规程》规定，矿井主要通风机必须装有反风设施，并能在＿min内改变巷道中风流方向。

A.5

B.10

C.20

D.30

公司所得税是对以下哪项征收的税（）

A.支付给出股东的股利

B.公司销售额

C.公司资产

D.股利加未分配利润