3．What does the underlined word “filthy” in paragraph 2 probably mean ?

　　　 A．New 　　　　　　　　 B．dirty 　　　　　　　　 C．good-looking 　　 D．ordinary

2．From the passage , we can　 infer that C. T Schmiz was 　　　　　　.

　　　 A．kind-hearted but lonely 　　　　　　　　　

B．brave and popular with his classmates

　　　 C．shy and sensitive 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

D．a boy you can get a good impression of

1．The boys were raising money because they intended to 　　　　　　　.

　　　 A．buy a plaque for their school 　　　　　

B．help those who suffered from cancer

　　　 C．plant a tree in memory of their friend 　　　　　　　　　　　　　　　　

D． put a plaque near his friend’s home

20．The underlined word “synthetic” most probably means________in Chinese.

　　　 A．不同的　　　　　　　 B．特别的　　　　　　　　　 C．合成的　　　　 D．天然的

19．From the surrounding words and sentences we know that the underlined phrase “contribute

to” means 　　　.

　　　 A．help to bring about　 B．take the place of　　 C．make room for　　　 D．turn to

18．The main purpose of the passage is to_______.

　　　 A．list today’s standards of some food and nutrition

　　　 B．introduce what should be eaten and what not

　　　 C．explain what is helpful to your health and what is not

　　　 D．test our nutrition IQ by judging the problems listed

7.Food grown in poor soil is lower in vitamins than food grown in rich sold .

　　　 False .The vitamins in our foods are made by the plants themselves .They don’t come from the soil .However ,the minerals in a plant depend on the minerals in the soil.

　　　 If you have answered these questions correctly ,you can say you know much about food and nutrition by today’s standards .But remember that nutrition is a growing science and that may be aged as new information is obtained.

6.Older people need the same amount of vitamins as younger people.

　　　 True .Older people need the same quantity of vitamins as younger people although they need fewer calories .Certain illnesses raise the requirements for some vitamins ,but that is true for the young as well as the old .

5. Natural vitamins are better supplements(补充)for the diet than synthetic vitamins.

　　　 False .There is no difference .A vitamin has the same properties(性质)and specific chemical structure whether made in a laboratory or taken form plant or animal parts .

4. Taking extra vitamins beyond the recommended daily allowances won’t give you more energy.

　　　 True .It’s widely believed that extra vitamins provide more energy .But taking more than the baby needs doesn’t make it function better ,just as overfilling your gas tank doesn’t make your car run better.