书面表达One possible versionDear PeterI'm writing to invite you to see the Chinese Painting Exhibition to be held in our city.The exhibition will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings, some of which are original works by famous painters like ZhangDaqian and Qi Baishi, will be on display. Besides, there will be various souvenirs to be sold. I know you re veryinterested in traditional Chinese culture, so I can t wait to tell you the news and hope we can go together.Looking forward to your reply.You

20.AC【解析】本题考查物体的平衡条件,目的是考查学生的推理能力。根据物体的平衡条件可知,轻绳对滑轮的作用力大小总等于重物受到的重力大小且方向竖直向上,选项A正确;设重物的质量为M、两段轻绳间的夹角为20,轻绳的弹力大小为F,有→下=c0s6,当增大时,F变大,选项B错误;设滑环的质量为m,竖直杆对滑环的弹力和摩擦力大小分别为N、f,有N=Fsin= Mgtan、f=mg+Foos=mg+Mg,当增大时,N变大、厂不变,选项C正确D错误

以上就是2022英语周报高考版第2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/11611.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。