| 托福考试易错题（2017/9/15） |
| 第1题：Settled by English Puritans in 1630, Boston became （） . A. the capital of the Massachusetts Bay Colony B. the Massachusetts Bay Colony its capital C. it was the capital of the Massachusetts Bay Colony D. so that the capital of the Massachusetts Bay Colony |
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| 第2题： （） the percentage of individuals with similar traits in succeeding generations, geneticists use the theory of probability. A. The calculation of B. To calculate C. Is calculating D. Calculated |
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| 第3题：When （） to dough and heated, carbon dioxide is released, causing the dough to rise. A. is added baking powder B. added baking powder is C. is baking powder added D. baking powder is added |
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| 第4题：While play is important at all levels of human development, （） takes on particular significance when children are five and six years old. A. it B. and C. which D. because it |
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| 第5题： By the mid-twentieth century, United States presidential staffs, （） had numbered fewer than ten a century earlier, numbered in the hundreds. A. as B. that they C. which D. and |
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