问题 问答题

读图完成下列问题.

(1)地球公转的周期是______,方向是______.

(2)每年6、7、8三个月是北半球的______季.

(3)当地球在公转轨道上运行到到B位置时,石家庄处于一年中白昼时间最______(长或短),正午太阳高度最______(高或低).初一地理兴趣小组的同学们,在这一天正午观察我校旗杆的影子与______图所示最相似.

(4)当地球在公转轨道上由B位置转到C位置,石家庄昼夜长短变化情况是______.

答案

(1)地球在自转的同时还要绕着太阳转动叫地球公转,公转的周期是一年,方向是自西向东;

(2)每年的6、7、8月是北半球的夏季,南北半球季节相反;

(3)从地球运动示意图看出,当地球公转到B处时,太阳直射北回归线,为北半球的夏至日,时间为6月22日前后,此时的石家庄一年中白昼时间最长,正午太阳高度角最高,影子最短;

(4)从地球运动示意图看出,当地球公转到B处时,太阳直射北回归线,为北半球的夏至日,此时北半球一年中白昼时间最长,黑夜时间最短;当地球公转到C处时,太阳直射赤道,为北半球的秋分日,此时全球昼夜平分;因此当地球在公转轨道上由B位置转到C位置,石家庄昼夜长短变化情况是白天越来越短,黑夜越来越长.

故答案为:(1)一年;自西向东;(2)夏;(3)长;高;B;(4)白天越来越短,黑夜越来越长.

阅读理解

阅读理解。

    The favorite food in the United States is the hamburger. The favorite place to buy a hamburger is a fast

food restaurant. At fast food restaurant, people order their food, wait a few minutes, and carry it to their

tables themselves. People also take their food out of the restaurants and eat it in their cars or in their homes.

At some fast food restaurant, people can order their food, pay for it and pick it up without leaving their cars.

There are many kinds of fast food restaurant in the United States. The greatest in number sell hamburger,

French fries and so on. They are popular among Americans. Besides, fast food restaurant that serve Chinese

food, Mexican food, Italian food, chicken, seafood and ice-cream are very many. The idea of a fast food

restaurant is so popular that nearly every kind of food can be found in one.

     Fast food restaurants are popular because they reflect (反映) American life style. Customer can wear any

type of dress when they go to a fast food place. Second, they are fast. People who are busy do not want to

spend time preparing their own food or waiting while someone prepares it. In fast food restaurant, food is

not expensive. Therefore, people often buy and eat at a fast restaurant, while they may not be able to go to a

more expensive restaurant very often.

1. In the United States the favorite food is ____. [ ]

A. Chinese food

B. Mexican food

C. French fries

D. the hamburger

2. Americans like to fast food restaurant because ____.[ ]

A. they can easily find fast food restaurant

B. they like to eat hamburger and French fries

C. they are too busy to want to spend time preparing or waiting

D. they are so rich that they don't want to do cooking themselves

3. ____ of fast food restaurant sell hamburger, French fries. [ ]

A. All

B. Most

C. Few

D. None

4. The food in fast food restaurant is ____ ready before the customers order it. [ ]

A. always

B. usually

C. seldom

D. never

5. The best title for the passage is ____. [ ]

A. The Fast Food Restaurant in the U.S.A.

B. The Hamburger in the U.S.A.

C. American Life Style

D. All Kinds of Food in the U.S.A.

单项选择题