题目

--- I’m feeling terrible! I have a bad cold.    --- ______. You’d better see a doctor at once.     A. I’m afraid not   B. Sorry to hear that   C. Sounds great   D. You are right 答案：B某学校欲量取20mL的水，读数时俯视，则实际所量取的水比20mLA.多B.少C.一样多D.无法判断