Food companies and restaurants choose to use trans fat oils because they're cheap and they make baked goods last longer.They also improve the taste of food.Trans fats became very popular in the second half of the 20th century.This is around the time when butter got a bad name for its cholesterol （胆固醇） levels. Today doctors know how dangerous trans fats can be.Trans fats raise bad cholesterol and lower the good cholesterol that your body needs.Fatty foods do more than cause obesity.Trans fats build up in the body and block blood flow to the heart.People whose diet contains a high percentage of trans fats are at risk of developing heart disease. In countries such as the US and Canada there are new government restrictions on food production.Food makers must attach a Nutrition Fact label to their products.These list daily recommendations and detail all the ingredients in a product，including trans fats if they're used.Even fast-food chains such as McDonald's are being forced to change their recipes as people become more health-conscious.In Europe，food producers have voluntarily started using labels that clearly show how healthy each product is according to a simple rating system. Reading the list of ingredients on the label is a good way of avoiding dangerous ingredients like trans fats.Another way is to avoid eating out，especially in fast-food restaurants.Also，when shopping try to buy your food in the fresh-food section and limit the amount of processed food you buy.The choices you make now will affect you for the rest of your life.The healthier your diet is now，the longer and healthier your life will be.（1）Why do people like to eat junk food？ ____ A.Because of its price.B.ecause of its trend.C.Because of its taste.D.Because of its color.（2）Why are trans fat oils used in food production？ ____ A.They are good for health.B.They taste better than butter.C.They can last longer than butter.D.They can lower the cost of production.（3）How does the author support the underlined statement in Paragraph 3？ ____ A.By telling stories.B.y presenting statistics.C.By making comparisons.D.By providing explanations.（4）What does the underlined word"These"in Paragraph 4 refer to？ ____ A.The labels.B.The recipes.C.The products.D.The restrictions.（5）What does the last paragraph mainly talk about？ ____ A.The ways to do shopping.B.The tips on healthy diets.C.The influence of tans fats.D.The role of food ingredients.

Does your mouth water when you think of cookies，burgers and French fries？Many people prefer junk food to healthy food because they develop a taste for it.Processed，baked，and fried foods often contain a high amount of trans fats（反式脂肪）.
   Food companies and restaurants choose to use trans fat oils because they're cheap and they make baked goods last longer.They also improve the taste of food.Trans fats became very popular in the second half of the 20th century.This is around the time when butter got a bad name for its cholesterol （胆固醇） levels.
   Today doctors know how dangerous trans fats can be.Trans fats raise bad cholesterol and lower the good cholesterol that your body needs.Fatty foods do more than cause obesity.Trans fats build up in the body and block blood flow to the heart.People whose diet contains a high percentage of trans fats are at risk of developing heart disease.
   In countries such as the US and Canada there are new government restrictions on food production.Food makers must attach a Nutrition Fact label to their products.These list daily recommendations and detail all the ingredients in a product，including trans fats if they're used.Even fast-food chains such as McDonald's are being forced to change their recipes as people become more health-conscious.In Europe，food producers have voluntarily started using labels that clearly show how healthy each product is according to a simple rating system.
   Reading the list of ingredients on the label is a good way of avoiding dangerous ingredients like trans fats.Another way is to avoid eating out，especially in fast-food restaurants.Also，when shopping try to buy your food in the fresh-food section and limit the amount of processed food you buy.The choices you make now will affect you for the rest of your life.The healthier your diet is now，the longer and healthier your life will be.

（1）Why do people like to eat junk food？ ____
A.Because of its price.
B.ecause of its trend.
C.Because of its taste.
D.Because of its color.
（2）Why are trans fat oils used in food production？ ____
A.They are good for health.
B.They taste better than butter.
C.They can last longer than butter.
D.They can lower the cost of production.
（3）How does the author support the underlined statement in Paragraph 3？ ____
A.By telling stories.
B.y presenting statistics.
C.By making comparisons.
D.By providing explanations.
（4）What does the underlined word"These"in Paragraph 4 refer to？ ____
A.The labels.
B.The recipes.
C.The products.
D.The restrictions.
（5）What does the last paragraph mainly talk about？ ____
A.The ways to do shopping.
B.The tips on healthy diets.
C.The influence of tans fats.
D.The role of food ingredients.