题目

某种细菌的直径是0．0000035米，用科学记数法表示为____________米． 答案：3.5×10-6解析:科学记数法的形式为a×10，且a的绝对值大于等于1小于10，0．0000035变为3.5小数点右移6位所以是-6，即答案为3.5×10-6。—How about some more coffee?? —It’s very kind of you. ___________.? A.That’s all right           B.It tastes nice and sweet? C.Just a little,please              D.I enjoyed it very much ?