C We are so used to having a cup of tea

题型:阅读理解

问题:

C

We are so used to having a cup of tea before heading off to work, during work or after getting back from work. Tea breaks are more like a custom that takes place regularly several times a day. This tea break tradition has been happening during the past 200 years or so. Tea just happens to be a wonderful drink for most of us. The day simply feels incomplete without a hot cup of tea. However, is tea good for you?

In 2006, the papers were flooded with the news of research showing that drinking 2-3 cups of tea a day is as beneficial as drinking water, with even some additional health benefits. Another report published in November 2009, stated that drinking up to eight cups of tea a day is good for you. The research conducted by nutrition expert Dr. Carrie Ruxton, debunked (揭示…的真相)the popular stories about caffeinated(含咖啡因的)drinks like tea, coffee and cocoa. According to Dr. Ruxton, the caffeine present in tea tends to lower the risk of heart attacks and strokes. She says that drinking 8 cups of tea a day gives the drinkers “the best levels of health-giving substances” present in tea and other caffeinated drinks.

Contrary to popular belief that tea does not contain more caffeine than coffee, it actually contains almost half the amount. Caffeine is a natural thing found in many types of food and drink. It’s also something that can give you a much needed lift for a demanding and tiring afternoon ahead. Research shows that proper amounts of caffeine are safe for most people.

So why not take full advantage of your tea breaks at work, or make time for afternoon tea while out shopping at the weekend? And remember that tea is not just a great drink, but it helps to keep you looking and feeling healthy.

59. What is mainly talked about in the first paragraph?

A. The types of tea.  B. The tea custom     C. How to drink tea    D. When to drink tea.

60. Reports in the newspapers show that ______.

A. drinking tea is a healthy habit                 B. new ways of drinking tea appear

C. drinking tea is harmful to health             D. people don’t like to drink tea any more

61. Caffeine in tea ____.

A. can make you energetic                       B. gives you a good rest

C. may cause heart attacks                       D. is more than that in coffee

62. What would be the best title for the passage?

A. Tea and disease                                   B. Tea—a healthy drink 

C. Tea, coffee and cocoa                          D. Drink tea or coffee

考点:人物传记类阅读故事类阅读
题型:阅读理解

据报道,在300℃、70MPa下由二氧化碳和氢气合成乙醇已成为现实.2CO2(g)+6H2(g)

CH3CH2OH(g)+3H2O(g)  下列叙述错误的是(  )

A.使用Cu-Zn-Fe催化剂可大大提高生产效率

B.反应需在300℃进行可推测该反应是吸热反应

C.充入大量CO2气体可提高H2的转化率

D.从平衡混合气体中分离出CH3CH2OH和H2O可提高CO2和H2的利用率

题型:阅读理解

在计算机中,一条指令代码由操作码和()两部分组成。

A、操作数

B、控制符

C、指令码

D、运算符

题型:阅读理解

我国央行发行流通中所需要的人民币是政府履行职能的体现。

题型:阅读理解

模板拆除,底模拆除时长度8m以内梁类构件应达到设计的混凝土立方体抗压强度标准值的()

A.50%

B.75%

C.90%

D.100%

题型:阅读理解

下列叙述,其中正确的是()。

A.焓不是物理量

B.焓可以认为就是体系所含的热量

C.封闭体系不做其他功时,AH=Q。

D.焓是状态函数

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