阅读理解

　　Vegetable may aid the brain

　　A study suggests certain vegetables such as broccoli(花椰菜)and spinach(菠菜)might help older women keep their minds sharp．

　　Researchers have discovered that women in their 60s who eat more green leafy vegetables show less signs of mental decline over time, reported Wednesday’s CRI online．

　　They gave participants a bundle of tests measuring memory, oral ability and attention．The study didn’t include men, but researchers say a similar diet would likely have the same results．

　　Eating fish can cut risk of heart rhythm disorder

　　US scientists have found that eating fish can reduce the risk of deadly heartbeat disorders．They say baked fish can effectively reduce the risk of atria fibrillation(心房纤维性颤抖)among older men and women, reported Tuesday’s CRI online．

　　Researchers say in their 12 years of research among 4,800 people over the age of 65 ,they found those who ate fish one to four times per week had a about 30 percent lower risk compared with those who ate fish less than once a month．They say the pmega-3 fatty acids in fish can reduce the risk of a range of heart disorders and is vital to brain development and function．

　　More than 2 million Americans are affected by atria fibrillation, a chronic(慢性的)condition that causes shortness of breath and an inability to exercise．

　　Red wine may extend life

　　US scientists have found that a mixture that makes red wine a healthy drink may also hold the secret to a longer life．They say antioxidant(抗氧化剂)in wine acted on fruit flies and worms in the same way as a method known to extend the life of many animals, which is by sharply limiting how much they eat．CRIENGLISH．com reported Thursday．

　　Limiting calories has been shown to make animals such as dogs and monkeys live longer, but they are often tired and lose productivity．

　　The researchers will begin testing the mixture in mice, which are considerably closer to humans biologically．

(1)

(2)

(3)

(4)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

Cloze

　　Most ants have two compound eyes．Compound eyes have many parts called lenses(透镜)that help insects 　　1　　 well．Other ants have three simple eyes, with one lens in each．Some ants that live underground are blind．

　　Ants do not have ears 　　2　　 they can feel sound vibrations(震动)．Some ants 　　3　　 by drumming on the ground．They also “talk” by touching each other with their antennae(触角)

　　Tasting, smelling, and touching are how ants find out what is around them．They have two thin antennae on their 　　4　　 that help them do this．Each antenna is shaped like a human arm 　　5　　 at the elbow．Ants tap the antennae on the ground to find food．They can 　　6　　 move their antennae around to smell．An ant is always moving its antennae every inch way．

　　Ants “talk” to each other with smells, too．Ants give off smells to 　　7　　 other ants of danger or to show them where to find food．Sometimes you can see long lines of ants．These ants are following a smell!

　　Army ants live in forests in Central and South America．Huge swarms of army ants hunt for insects such as 　　8　　．Driver ants are army ants that live in Africa．Harvester ants live in deserts．They eat seeds．

　　After the queen mates with a male ant, she makes or finds a 　　9　　．She then lays eggs．The first group of eggs to hatch become worker ants．The queen's only job after that is to lay more eggs．The worker ants 　　10　　 the job of caring for the nest．Males come from some of the eggs, queens and more workers come from other eggs．

　　When the egg hatches, a wormlike larva appears．It does nothing but eat and grow．When it gets big enough, it becomes a pupa．The pupa grows legs and antennae．It becomes an adult ant．

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)