下列实数:(1)3.1415926;(2)0.•3;(3)227;(4)2;(5 发布时间:2017-05-13 22:32 │ 来源:www.tikuol.com 题型:选择题 问题: 下列实数:(1)3.1415926;(2)0.•3;(3)227;(4)2;(5)-38;(6)π2;(7)0.3030030003…中,无理数有( )个.A.3B.4C.5D.6
题型:选择题 —If we take a plane,we’ll of course have arrived in London by the next weekend.—Don’t be too sure.We should ________ the weather factor.What shall we do if it is foggy?A.look forB.allow forC.prepare forD.use for 查看答案
题型:选择题 ---Michael, do you go swimming?--- Twice a week.A.how manyB.how longC.how oftenD.how soon 查看答案