1.【答案】C【解析】因为A=1(x,y)|xy=2,x∈Z,yeZ}={(1,2),(2,1),(-1,-2),(-2,-1)},有4个元素,故选C.

短文改错I'm glad to introduce Rubys, Hollys and Katie's hometown to you all here. Ruby's hometown has Ahometownspopulation of about one hundred thousand. It is regarded as a small city. There are not much cars, so it isn'tmanynoisy or polluted. TIhere are many peaceful gardens that she likes to relax. Holly's hometownwherewell-known town. People from all over the world likes to visit it. They go te there to eat delicious seafoodlikebreathing sea air and swim. Katie's hometown is an industrial city. There are neither ancient buildings andbreathaces of interest that could possibleattract touristsHowever, the best sheoes wereoduced in this citypossibly

以上就是2018-2022英语周报七年级外研第23期答案，更多英语周报答案请关注本网站。

本文地址： http://www.ncneedu.cn/post/18943.html

文章来源：admin

版权声明：除非特别标注，否则均为本站原创文章，转载时请以链接形式注明文章出处。