2022九年级英语周报第12期答案

33、(1)BCE(2)对两活塞和细绳构成的整体受力分析,有P0S1+p1S2=p0s2+2151(1分分∴p1=100×105Pa,并可知升温过程中,活塞整体左移,且只要小活塞不碰汽缸底部,则一直为等压变化(1分)设温度280K时活塞左移了x,x

书面表达One posssible versionDear Mr. Smith,I'm Li Hua, a senior 3 student. Learning that your City Culture department is looking for an English editorthis summer, I'm eager to apply for the position.As far as I'm concerned, city culture refers to a citys history, geography, customs, future, and so on. Asa native, I am quite familiar with our citys traditional culture. Besides, I have a good command of ErI' m especially good at English writing. Additionally, Im cooperative and creative, which will give me anadvantage for the position.I'll be greatly honored if I' m chosen for the job. If I'm admitted, please email me at lihua @16com.Yours sincerely,Li Hu

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