You can save clean water in many ways. For example, if you keep gold fish, the tank water excellent for graden plants. And when you wash a milk bottle, pour the water on your house plants. Putting a brick or a water into your toilet tank many help use less water, saving many gallons over a long time.
Using rainwater is another simple way to save clean water. You can use rainwater to wash your hands after gardening, flush the toilet, and wash your car, your pet, your driveway when they are dirty.
For the same reason, people in Malaysia are encourageed to use rainwater. If one has a house with a small garden, he would buy a huge plastic tank to keep rainwater for their daily life.
34. We can learn from the passage ______.
A. when man can’t live without water B. where there is no water resource
C. why there is less water on the earth D. how important it is to save water
35. According to the passage, one of the ways to save water is _______.
A. to stop keeping gold fish B. to pay much for drinking water
C. to use it in a clever way D. to educate those who waste water
36. The underlined word “flush” in Paragraph 4 means “_______”.
A. clean something with water B. pour water over something
C. make somehting wet with water D. get water out of someghing
37. People are ecouraged to use rainwater _______.
A. so that is can make our life easier
B. so that clean water can be kept for other uses
C. because is it free and easy to get
D. because there is no claen water left for them
C
Vitamins are stored in foods we eat. The kids are udner great need of vitamins for growth. As they use their energy in playing, they need lots of vitamins.
Children usually choose certain foods above the others and often do not eat those with important nutrients(营养). Sothough the food they are eating is nutritious, it may not always provide all the nutrients the child needs.
One nutrient can not balance the shortage(缺乏) of another. Foods like grains, vegetables, fruits and meats should be eaten daily, because different foods in the child’s diet can balance against taking too much or too little of any nutrient.
Kids grow slower in their childhood than when they were babies or when they develop into adults. Energy output is high, with hard paly perids that include plenty of running, jumping, and testing of new physical skills. So they need a lot of vitamins.
Here are some important vitamins and their functions:
Vitamin D in milk helps your bones.
Vitamin A in carrots helps you see at night.
Vitamin C in oranges helps your body heal if you get a cut.
B vitamins in leafy vegetables helps your body make protein(蛋白质).
The children, who are suffering from a sickness called cystic fibrosis, lose vitamin A, D and E. These are main body-building vitamins. Therefore, vitamin supplements(添补剂) may be necessary. Blood tests will telll you whether a child needs vitamin supplements.
If babies over nine months of age are receiving whole cow’s milk, they’ll need a daily vitamin C supplement till their diet provide enough vitamin C.
Vitamin D is added to all milks so babies drinking them need no extra vitamin D.
Children are greatly in need of vitamin C. If you are 18 years of age or younger, you should get 115 millgrams of vitamin C per day. Those over 19 should get 120 milligrams per day.
38. We can learn from ther passage that _______.
A. it is necessary for one to exercise if he needs more vitamins
B. it is necessary for kids to eat different foods fro all nutrients
C. is it unnecesssay for babies to take a vitamin D supplement
D. it is unnecessary for elderly people to take in any vitamins.
39. When do kids have to take a vitamin supplement?
A. When they are not full of energy. B. When they eat only some foods.
