励磁冷却系统、功率柜的投入与退出操作顺序是什么？

根据短文内容，选择最佳选项。

Here is a recipe:

Ingredients: 2 potatoes 1 egg 2 teaspoons of flour (面粉) 3 teaspoons of vegetable oil (植物油) 1 teaspoon of saltInstructions:

◆Peel the potatoes and cut them up. Cook them for 20 -25 minutes and then put them into a

bowl.

◆Break (打碎) the egg into the bowl. Also add the salt and flour to it.

◆Mix them all up.

◆Put the pan on the gas cooker (煤气灶) and turn on the gas cooker.

◆When the pan is warm, pour the vegetable oil into it.

◆Then pour the mixture in the bowl into the pan when the oil is hot.

◆Turn it over from time to time. Bake it for about five minutes.

◆Finally, you can enjoy it.

1.In this recipe, we need _____ flour.

A. one teaspoon of

B. two teaspoons of

C. three teaspoons of

D. four teaspoons of

2.We can cook the potatoes for about _____ minutes.

A. 5

B. 10

C. 22 

D. 35

3.The underlined word "bake" means "_____"in Chinese.

A. 煮

B. 焖

C. 烘

D. 蒸

4.The right order (正确的顺序) of making the food is _____.

①cook the potatoes ②bake the mixture ③heat the vegetable oil ④add the egg, salt and flour

A. ①④③②

B. ①②③④

C. ②①③④

D. ③①④②

5.The passage tells us how to make a _____.

A. sandwich

B. milk shake

C. hamburger

D. potato pancake

读图，回答1—3题。

1、有关图中各地发展特色农业的叙述，正确的是 [ ]

A、A地农业发展最大的限制性因素是光照不足

B、B地农业发展引水灌溉最容易导致水土流失

C、C地发展河谷农业是因为该地热量条件优于周边地区

D、D、E两地要大力建设商品粮生产基地

2、F区域农业生产的优势区位条件不包括 [ ]

A、当地广阔的市场

B、便利的交通运输

C、丰富的森林资源

D、辽阔富饶的土地资源

3、与F区域农业发展关系最小的因素是 [ ]

A、工业化的发展

B、城市化的进程

C、地区经济合作

D、国际局势多极化

化学物质和化学反应中往往涉及各种各样的颜色，请按要求举例：

（1）请例举出两种白色的固体：　_________　，　_________　．

（2）请写出一种气体在空气中燃烧时火焰呈淡蓝色的化学方程式：　_________　．

日间批量业务分为银行柜面发起的（）、（）和（）三类。

人们把计算机网络中实现网络通信功能的设备及其软件的集合称为网络的______子网，而把网络中实现资源共享功能的设备及其软件的集合称为______子网。