23. What can be inferred from the passage? (A) People who think positively have encountered less dif
21. What is the best title for the passage? (A) Age-old philosophical questions (B) Ways to practice
25. Where is the passage most likely taken from? (A) An article on how to manage stress and live a h
3. According to the traffic rules, all vehicles must stop at a red light with the _________ of polic
6. The careless woman threw a big sum of money in the basket for paper recycling. _________, she fou
7. Expensive foods are not _________ healthier. Vegetables and fruits grown locally are usually chea
9. Nowadays, earthquakes are still not _________. Scientists cannot tell in advance when an earthqua
10. You can buy _________ things at a convenience store, such as sandwiches, batteries, and even sli
11. An ash cloud from Iceland’s volcano _________ across Europe, causing several airports to shut do
12. The G8, _________ of the world’s largest developed countries, met to discuss the financial crisi
13. Nuclear _________ have a lasting negative impact on all the living things and the environment； t