20.Fruit or juice,which is nutritionally superior?This is almost the same as the age-old question:The chicken or the egg,which came first?
Usually,juicers remove the juice and some pulp (果肉) from fruits and/or vegetables.It takes a lot of fruit to make a container of juice.We do get all of the vitamins,minerals,beneficial plant chemicals and carbohydrates in juice out of a whole fruit.But we do not get much of the fiber,the part that aids our digestive process,fills us up,and may help protect us against heart diseases and certain cancers.
However,you may be surprised to discover that some juices actually contain more necessary nutrients (營養(yǎng)).For example,apples are not a good source of vitamin C,but many types of apple juice are fortified with vitamin C.
Juice has more calories than fresh fruit due to added sugar and less fiber.If calories are your primary concern,choose fresh fruit over juice and drink water if you are thirsty.We do not feel as filled up from juice because it does not contain any fiber.For many people,drinking a caloric beverage (飲料),such as juice,is not as satisfying as eating the same amount of calories in food.For those of us who need to increase caloric intake (such as athletes,children,or teens) juice is a GREAT choice.
Kids love the taste of pure fruit juice,and parents love it because it is a healthy source of nutrients.But avoid junk fruit beverages which are mistaken for juice blends that contain various fruits like grape,apple and pear.These juices do not have the natural levels of vital nutrients that 100percent pure juices like orange juice provide.
39.According to the passage,you'd better haveA to help prevent heart disease.
A.fruitB.juiceC.calories D.minerals
40.What can we learn from this passage?
A.We can get out of fruit all the nutrients which aid our digestive process.
B.We can hardly determine which provides more nutrients,juice or fruit.
C.People may prefer juice to food in taking in the same amount of calories.
D.If you want more calories,fruit might be your better choice.
41.The underlined word"blends"in Paragraph5probably means"C".
A.containersB.productsC.mixtures D.substitutes
42.The author writes the passage mainlyD.
A.to help people learn more about fruit and juice
B.to call on people to drink more juice
C.to remind people of negative effects of juice
D.to persuade people to avoid junk juice containing various fruits.
分析 本文是一篇科普類閱讀,主要講述了果汁和水果相比,它的優(yōu)點和缺點.果汁雖然是由許多水果制成的,含有許多維生素,礦物質和碳水化合物,但是我們從中得不到纖維素,并且許多果汁不含自然的營養(yǎng)成分.
解答 39.答案:A.推理判斷題.根據(jù)"It takes a lot of fruit to make a container of juice.We do get all of the vitamins,minerals,beneficial plant chemicals and carbohydrates in juice out of a whole fruit.But we do not get much of the fiber,the part that aids our digestive process,fills us up,and may help protect us against heart diseases and certain cancers"可知,雖然果汁是由許多水果制成的,含有許多維生素,礦物質和碳水化合物,但是我們從中得不到纖維素.故可以推測出,吃水果可以防止心臟病,癌癥的發(fā)生.故選A.
40.答案:A.細節(jié)理解題.根據(jù)"But we do not get much of the fiber,the part that aids our digestive process"可知,水果中含有纖維素,可以幫助消化.故選A.
41.答案:C.詞意猜測題.根據(jù)"But avoid junk fruit beverages which are mistaken for juice blends that contain various fruits like grape,apple and pear"可推測出,blens是混合物的意思.故選C.
42.答案:D.主旨大意題.根據(jù)全文內容,尤其是"But avoid junk fruit beverages which are mistaken for juice blends that contain various fruits like grape,apple and pear.These juices do not have the natural levels of vital nutrients that 100percent pure juices like orange juice provide"可知,作者寫這篇文章的目的是勸說人們不要喝垃圾果汁.故選D.
點評 本文是一篇科普類閱讀,題目涉及推理判斷題,細節(jié)理解題,詞意猜測題,主旨大意題,做題時應結合文章上下文內容并根據(jù)所給選項的含義進行分析,從而得出正確答案.切記胡亂猜測,一定要做到有理有據(jù).