| 托福考试易错题（2017/7/12） |
| 第1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 |
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| 第2题：The Monroe Doctrine of 1823 was （） of United States policy concerning the activities and rights of European powers in North and South America. A. when a statement B. as a statement C. a statement D. to a statement |
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| 第3题：The leopard seal is the only pinniped （） preys on penguins and other seals. A. that normally B. of which it normally C. normally D. that it normally |
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| 第4题：All brass instruments use a mouthpiece （） into a long cone-shaped tube. A. is inserted B. that inserted C. that is inserted D. and inserted |
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| 第5题：（） carries the genes, which determine the hereditary characteristics of the cell or organism. A. The chromosome B. The chromosome that C. Whereas the chromosome D. There is a chromosome |
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