在圆圈里填上运算符号,使计算正确.
8.4 0.42 0.8 0.4
=20 0.8 0.4
=16 0.4
=40
解:8.4÷0.42×0.8÷0.4
=20×0.8÷0.4
=16÷0.4
目前,我国酸雨污染严重的地区是( )
2015年6月22日至24日,第七轮中美战略与经济对话在华盛顿举行。中国阐述了在南海问题上的原则立场。中方强调,中国坚定捍卫领土主权和海洋权益,同时致力于同直接当事国通过谈判解决争议。中国政府在南海问题的立场和举措( )
①符合和平与发展的时代主题 ②表明了中国在国际社会中发挥着主导作用
③说明了中国是维护世界和平的重要力量 ④中国奉行独立自主的和平外交政策,坚持和平发展道路
家人的生日表
I am making a birthday chart for my family. There are eight people in my family. My birthday is on June 9th. My mother's birthday is on June l4th. My father's birthday is on June 23rd. My grandfather's birthday is on April 12th. My grandmother's birthday is on May 12th. My uncle Bill's and aunt Mary's birthdays are on the same day—October 1st. My cousin's birthday is on November 11th. My grandparents live with my uncle and aunt in America, So I usually send e—cards to them for their birthdays. I love my family.