1. The prison population in this state, now at an all-time high, is higher than any other state. A B C D 2. In the 1840s, Joseph Henry made important discovery in electromagnetism. A B C D 3. The fact that wind power is one of the most abundant and increasingly cost-competitive energy A B resources make it a viable alternative to fossil fuels. C D 4. Each year people around the world spend billion of dollars buying goods on the Internet. A B C D 5. Preserving natural resources mean reserving them for our future. A B C D 12. ______ little we may like it, old age comes to most of us. A. In spite of B. So C. As D. However 13. One must obey the law, ______. A. however he is old or young B. however old or young he is C. whatever he is old or-young D. whatever old or young he is 14. By the age of twenty-five he had ______ his ambition of becoming a pianist. A. reached B. completed C. achieved D. obtained