ZD6电转机有何用途？_爱下问搜题

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问题问答题简答题

ZD6电转机有何用途？

答案

参考答案：

以电机为动力，经减速器减速后转换道岔，在转换对象变位并与基本轨密贴后，将其锁闭在现位，并构成道岔现位表示。

选择题

卫星云图上通常蓝色表示海洋，绿色表示陆地，白色表示云雨区．当北京为绿色时，说明北京地区当时是（　　）

A．晴朗天气

B．阴雨天气

C．阴转晴天气

D．晴转阴天气

完形填空

People eat different things in different parts of the world.
In some countries, people eat   36  every day. Sometimes they eat it two or 37  times a day, for breakfast, lunch and supper. They can   38  it, fry it or make it into rice flour（面粉）. They usually eat it   39  meat, fish and vegetables.
Some people do not eat some kind of   40 . Muslims, for example, do not eat pork.
The   41   eat a lot of fish. Japan is an is

land and its 42 go all over the Pacific looking for fish

to 43 . The Japanese sometimes eat uncooked fish, and they also eat a lot of rice.
In 44 such as Britain and the United States of America, the most im

portant food is 45 or potatoes. People there usually make their bread from wheat flour. They 46 potatoes in different ways. They can boil them and fry them.
In Africa, corn is the most important 47 like rice and wheat. Corn is a kind of cereal（谷类食物）. African people make the corn 48 flour. From the fl

our they make 49 kinds of bread and cakes. Many Africans are very 50 and so they can’t afford to eat much 5

1  with their cereal.
Cereal and meat are very important, but we also   52  plenty of vegetables and lots of fresh fruit.
Some people   53  only fruit and vegetables. They do not eat mea

t or fish or 54 that comes from animals. They eat only food from 55 . Some people say that food f

rom plants is better for us than meat.

A．fishing boats

B．Eastern countries

D．Western countries