[单项选择]________is known to all, too much smoking will cause lung cancer. A. That B. It C. As D. What
参考答案:C 答案解析:as在此处做代词用,指代“too much smoking will cause lung cancer.”[译文]众所周知,过量吸烟将易得肺癌。
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第1题: [单项选择]{{I}}Questions 17 - 20 are based on u talk about Dr. Benjamin Spock’s book. You now have 20 seconds to read Questions 17- 20.{{/I}}When was the book first published A. In 1994. B. In 1964. C. In 1946. D. In 1998. 参考答案:C