Red is used in many American expressions. It can be used to show happiness, as in the expression “a red-letter day”. This is a day when something special happens. The expression is probably based on church customs. For almost 600 years, church calendars have been marked with red to show special holy(神圣的)days. Today’s calendars are still marked that way with the dates of holidays and special days printed in red.

The expression “a red-letter day”is often heard in daily life. “A red-letter day” is a day that people are especially happy. It may be a day that you have waited for a long time, a wedding day, for example. Or it may be a day with a happy surprise. You might tell a friend that yesterday was a red-letter day, because you won some money in the lottery.

“Rolling out the red carpet” is another commonly heard expression. It describes an especially warm welcome of any kind. A city may “roll out the carpet ”for its baseball team, when the team arrives home after winning a championship. A group of supporters go to the air port to the greet the team. The red-carpet welcome includes a lot of cheering by thousands of fans, a parade, music and speech of praise by local statesmen.

Red is also used in some expressions that are not happy. “Red-handed ” is an example. To be caught “red-handed” is to be found in an act of wrong doing. The evidence is clear. You are guilty. Today we use the expression “ to be caught red-handed ”in situation(情况)that are not serious. For example, a mother might say she caught her son red-handed, taking cookies out of the cookie jar.

Some American Expressions with __1.___

Be used for_2.__

happiness

a red -letter day

a day that people are happy

a day with a ___3.__

rolling out the red carpet

describes an especially warm___4._____

Be used in_5.expressions

to be caught red-hanged

to be found doing a wrong action can’t be used in a serious situation

 

阅读下面的短文.并根据短文后的要求答题。

Since 1850.the temperature of Earth’s surface has increased about 0.6°C.Scientists predict it may warm much more by the end of this century.Who’s turning up the heat? Well, it seems that we are! Some of this global warming may be natural.However,nearly all scientists now agree that most of it is due to peoples actions.Over the past 150 years, we've added huge amounts of certain gases, especially carbon dioxide(CO2)to the air.These gases can keep heat near Earth's surface,so more carbon dioxide means more heat is kept near Earth's surface.Global warming may change the weather in ways that lead to more severe storms,floods and droughts.

We add carbon dioxide to the air when we burn things, especially fossil fuels.Fossil fuels are energy sources formed from the remains of plants and animals that lived millions of years ago.Coal,oil,and natural gas are all fossil fuels.People in the United States and other countries started bunting large amounts of fossil fuels more than a century ago.The amount d fossil fuels being burned each year has been increasing worldwide.The more we burn,_____________________.

What can we do to help? Nowadays to live a low-carbon life is quite popular in the world. Low-carbon means to reduce the amount of carbon dioxide.Saving energy and reusing are the key words. In fact, even the simplest everyday activities can make our lives low-carbon.

1.What problem can global warming cause?(根据短文内容回答问题)

2.What are fossil fuels?(同上)

3.请将第一段中的划线句子翻译成汉语。

4.请根据第二段内容,将最后一个句子补充完整。

The more we bum,_____________________________________________.

5.请写出日常生活中的一种“低碳”行为(用英语写一个句子)。

 

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