(1)厨房中很多炊具是金属制品,请写出其中一种制炊具的金属的元素符号______

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问题:

(1)厨房中很多炊具是金属制品,请写出其中一种制炊具的金属的元素符号______.

(2)常用稀盐酸洗掉水壶中的水垢,水垢的主要成分是碳酸钙和氢氧化镁,请写出其中一个化学反应方程式______.

考点:元素符号的意义及写法化学反应方程式的书写文字表达式
题型:填空题

阅读理解。

     Most shops in Britain open at 9:00 a.m., and close at 5:00 or 5:30 in the evening. Small shops usually close

for an hour at lunchtime. One or two days a week-usually Thursday and / or Friday-some large food shops

stay open until about 8:00 p.m. for late night shopping.

     Many shops are closed in the afternoon one day a week. The day is usually Wednesday or Thursday and it

is a different day in different towns. Nearly all shops are closed on Sundays. Newspaper shops are open in the

morning, and sell sweets and cigarettes as well. But not all the things can be sold on Sundays.

     Usually it is not difficult for foreign visitors to find where to buy things. Most shops sell the things that you want to buy. One problem is stamps. In Britain you can only buy these at post offices. Many large food shops

are self-service.

     When you go into one of these shops, you take a basket and you put the things you wish to buy into this.

You pay for everything just before you leave. If anyone tries to take things from a shop without paying they

are almost certain to be caught, because most shops have detectives. When you are waiting to be served in a

shop, it is important not to try to be served before people who arrive before you. Many foreign people are

surprised at the British way of queuing.

1. According to the passage, which of the following sentences is NOT true?

A. Some large food shops open for about 11 hours on Thursday or Friday.

B. Many shops are closed in the afternoon once a week on Tuesday.

C. Only a few things can be bought on Sundays.

D. It is not difficult for foreign visitors to buy things in Britain.

2. You can not buy _________ in shops.

A. cigarettes

B. sweets

C. stamps

D. clothes

3. Which of the following is the best title?

A. Shops in Britain.

B. How to Buy Things in Britain.

C. Something about Britain

D. How Long Are the Britain Shops Open?

题型:填空题

银行定价的基本原则不包括().

A、合规经营

B、分类定价

C、科学管理

D、有偿服务

题型:填空题

( )是国内外内墙涂料中用量最大的一种。

A.多彩涂料
B.丙烯酸酯系涂料
C.聚乙烯醇水玻璃涂料
D.聚氨酯系涂料

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简述涡流的利弊。

题型:填空题

()名茶极品称为“齐山名片”。

A、安吉白片

B、三角片

C、六安瓜片

D、金山翠芽

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