A M 11. K LADING Reading 1: Read the following passage and choose the word that best fits each of the numbered blanks. Are you looking for a cheap, clean, effective source of power that doesn't cause pollution or waste natural resources? Look no further than solar energy from the (1) At present, most of our electricity comes from the use of coal, gas, oil (2) nuclear power. This power could be provided by the Sun. One percent of the solar energy that reaches the Earth is enough to provide power for the total (3) using solar energy. Solar panels are placed (4) energy is used to heat water. A. Moon A. or A. popular A. on 1. 2. 3. 4. B. Sun B. but B. population B. in C. Earth C. so C. world C. of 3 Many countries are already the roof of a house and the Sun's D. Mars D. although D. Vietnam D. to
