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