2022 英语周报 高一 新课程 14答案

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

18.解:(D)f(r)=a.b=msin xcos x+ncos'x=sin 2x+=(1+cos 2x)3分把丌3+√3和12482/代入上式2++√3+得:→m5分2+4√2sin 2x+7分24)2f(x)的最小正周期为x-8分(Ⅱ)由已知得g(x)=fx+222--9分sin 2x+-+cos 2x+10分1当2-√1+√x∈2时,g(x)的值域为12分2g(x)的单调递减区间为015分

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