| 托福考试易错题（2017/9/21） |
| 第1题： by the United States government’s Bureau of Labor Statistics, the Consumer Price Index compares current costs of goods and services with past costs. A. To prepare B. As it prepared C. When preparation D. Prepared |
| 【单选题】： |
| 第2题：About 75 percent of all cadmium is used for cadmium plating of （） such as iron and steel. A. easily corroded metals B. metals are easily corroded C. corroded metals that easily D. how easily metals corroded |
| 【单选题】： |
| 第3题： All the major cities of the United States, （）_ the cities of the Great Lakes and the Gulf of Mexico, began as centers of trade. A. and to include B. which including C. included D. including |
| 【单选题】： |
| 第4题：（） “nova” means new, novas are actually stars that have existed for a long time and suddenly flare into brilliance. A. That B. Why C. Although D. It is |
| 【单选题】： |
| 第5题：A few species of mushrooms cause death or serious illness （）. A. having eaten B. that they are eaten C. are eaten D. when eaten |
| 【单选题】： |