英语周报 2018-2022 高考 高考 4041答案

第二节One possible versionDear mr. smithIm writing to ask for a three-day leave, for I can'Iattend your English classes from Monday to Wednesday nexOwing to a severe headache, I have made an appoint-ment with a specialist. and my mother will take me to seehim. It's a great pity that I will miss your interesting lessons but I hope you will excuse my absence. I promise tomake up for the missed lessons after I return to school.Your kind permission will be greatly appreciatedYeLi Hua

2.D)【解析】相对论、量子论的提出,没有否定经典力学,经典力学是相对论、量子力学在低速、宏观状态下的特殊情形,对于高速、微观的情形经典力学不适用,牧A、B项错误;在经典力学中,物体的质量不会随运动状态而改变,故C项错误;狭义相对论认为,质量、长度、时间的测量结果都与物体运动状态有关,故D项正确。

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