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Coffee is more popular today than ever before, but many people give up consuming too much of it because it can really make white teeth colored. Thanks to the world’s first colorless coffee, you don’t have to worry about your teeth being colored anymore.

After getting tired of looking for a coffee drink that had the natural flavor they loved so much but didn’t color their teeth, David and Adam Nagy, two Slovakian brothers decided to create it themselves. Called CLR CFF, their creative drink is exactly what it sounds like—clear coffee.

It sounds like a trick, but the Nagy brothers claim that CLR CFF is made only from high-quality Arabica coffee beans and pure water, with no preservatives(防腐剂), man-made flavors, sweeteners or sugars added. It apparently took them three months to come up with a colorless coffee that actually remains its flavors, but for now they are keeping the recipe a secret.

So how does colorless coffee taste? Staffers at English newspaper Metro described it as drinkable. The Evening Standard, on the other hand, writes that CLR CFF is “strong, like a potent cold brew”. So I guess you’ll have to try it for yourself to find out just how much this stuff is like real coffee.

The sad news is that the world’s first colorless coffee is now sold only in the UK and Slovakia.

1.Why don’t people drink more coffee?

A Because it is too expensive.

B Because it will make their teeth whiter.

C Because they are afraid of colored teeth.

D Because it makes it impossible to fall asleep.

解析：选C。细节理解题。根据第一段第一句Coffee is more popular today than ever before, but many people give up consuming too much of it because it can really make white teeth colored. 可知是因为害怕牙齿被染色，所以不敢多喝咖啡，故选C。

2.What does CLR CFF mean?

A Clear coffee.

B Expensive coffee.

C Pure coffee.

D Beautiful coffee.

解析：选A。细节理解题。根据第二段最后一句Called CLR CFF, their creative drink is exactly what it sounds like—clear coffee.可知这种咖啡的名字就是无色咖啡（Clear Coffee），故选A。

3.What is the CLR CFF made from?

A Coffee and sugars.

B Coffee and sweeteners.

C Coffee beans and water.

D Coffee and man-made flavors.

解析：选C。细节理解题。根据第三段第一句It sounds like a trick, but the Nagy brothers claim that CLR CFF is made only from high-quality Arabica coffee beans and pure water, with no preservatives, man-made flavors, sweeteners or sugars added.可知这种咖啡是由高档阿拉伯咖啡豆和纯净水制成的，不含防腐剂、人工添加剂和糖分，故选C。

4.How does the CLR CFF taste?

A It tastes good.

B It tastes bad.

C It tastes bad.

D You need to taste it yourself.

解析：选D。推理判断题。根据第四段最后一句So I guess you’ll have to try it for yourself to find out just how much this stuff is like real coffee.可知这种咖啡怎么样需要你自己去试，因为人们对其口感褒贬不一，故选D。

5.Where can you buy a CLR CFF?

A In China.

B In Britain.

C In America.

D In Australia.

解析：选B。细节理解题。根据最后一段The sad news is that the world’s first colorless coffee is now sold only in the UK and Slovakia.可知在英国和斯洛伐克可以买到这种咖啡，故选B。