For most North American households, lighting accounts (15)__________10 percent to 15 percent of the electricity bill. (16) __________, this amount can

For most North American households, lighting accounts (15)__________10 percent to 15 percent of the electricity bill. (16) __________, this amount can be reduced by (17) ___________ an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times (18) ____________. Therefore, consumers can save about US$7 to US$21 per bulb.
In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tumble dryers. The label (19) ____________ the consumers how much energy efficiency each model (20) ______with other appliances in the same category.
Ultimately, these innovations will save money as well as conserve the Earth’s resources
13. A. on B. with C. for D. about
14. A. Therefore B. Although C. Moreover D. However
15. A. to replace B. replaced C. replacing D. replace
16. A. faster B. slower C. more D. longer
17. A. says B. tells C. reports D. talks
18. A. has compared B. compares C. compared D. is comparing
Read the passage and then decide whether the statements that follow are TRUE or FALSE (1.0pt)
Environmental pollution is the most serious problem facing mankind today. Air, water and soil are necessary to the survival of all living things. Badly polluted air can cause illness and even death. Polluted water kills many kinds of wild animals and other marine life. Pollution of soil reduces the amount of land for growing food.
19. The most danger of the environment is pollution. __________
20. Polluted air, polluted water and polluted soil don’t affect our life. ___________
21. Many kinds of wild animals and other marine life are polluting the water resources. ___________
22. The pollution of soil makes the amount of land for growing food narrower. ___________
Read the passage again and choose the best answer ( A, B, C or D) (0.5pt)
23. The word “serious” in line 1 is nearest meaning to ______________
A. complicated B. safe C. dangerous D. popular
24. The main idea of this paragraph is _____________
A. The disadvantages of pollution B. Our environment
C. The effective pollution D. Pollutants