英语周报七年级下册2020～202132答案

弟一节短文改It was a dream for me to learn to swim so I asked mycousinhe could be of help and he agreedf/whetherwithout hesitationIn the afternoon my cousin and I went to the seawhen the lesson began. Hours later I could swim a bit butwhereI still needed much practise. I was wearing out when wepracticewornheaded back. I eat my dinner and went to bed. The nextday, I went with Mom to the market and she bought to ussomething. I told Mom that I felt like move and livingmovingthere permanent and not just for a visit. He promised topermanentlySheconsider ItI felt happy that I was leaving with such A new lifeaexperience

33.(1)ACD(2)(i)以cmHg为单位,研究B气体,末态右管内水银面比左管高出h=2cm,因此B部分气体的长度为l--(2分)由玻意耳定律有pD=(p-2cmHg-2)S(2分)解得P4=80cmHg(1分)(ⅱi)对A气体,由玻意耳定律有P0l4S=PS(2分)解得=38cm(1分)h活塞缓慢移动的距离Ax=4 2-74=3cm(数字后面没有单位不给分)(2分)

以上就是英语周报七年级下册2020～202132答案，更多英语周报答案请关注本网站。