题目

Do you know the man _______?A. whom I spoke  B. to who spoke   C. I spoke to   D. that I spoke 答案：C 解析: 和谁讲话”要说speak to sb. 本题全句应为Do you know the man whom I spoke to.。whom是关系代词，作介词to的宾语，可以省略。已知水银、煤油、酒精的熔点分别为-39 ℃、-30 ℃、-117 ℃，要测量零下80摄氏度的温度，应该选用的温度计是：A．煤油温度计 B．酒精温度计 C．水银温度计 D．煤油温度计或水银温度计