People from different countries

A.150 B.1,500 C.5,000 D.4,000

A.man never made sounds

B.man made animal sounds

C.man used to be like animals to make sounds

D.man learned from the animals to make sounds

A.seldom see snow B.never see any snow

C.may have several feet of snow D.often see snow

A.it is cold and wet all the year round

B.the climate is pleasant as a whole

C.it is warm most of the time in a year

D.only the summer is not cold or wet

A.flowers and vegetables from Devon are on the market one month earlier

B.farmers in the southwest grow as many vegetables and flowers as farmers elsewhere

C.people in the southwest have to pay a higher price for vegetables and flowers

D.vegetables in Cornwall ripen as much as a month earlier than flowers

A.with a cold and wet climate B.with a surprising climate

C.with a pleasant climate D.with a variety of climates

A.one hundred miles B.three hundred miles

C.one hundred and fifty miles D.six hundred miles

A.People' s Growing Interest in Natural Foods

B.Natural Foods and Healthy Diet

C.Harmful Effects of Sugar

D.The Importance of Fiber in Foods

A.people need sugar to give them energy

B.sugar is bad for the health

C.the use of sugar is habit forming

D.sugar only sweetens food, but provides us with nothing useful