初二上学期英语周报人教版2022-2022答案

参考范文Then, clutching (5mff)the tin can, he headed for the shop. " Ihave the money. " he seriously told the owner. The man went to thewindow and fetched Reubens treasure, He wiped the dust of it andgently wrapped it in brown paper. Then he placed the parcel inReuhen's hands Racing home, Reuben burst through the front door.His mother was cleaning the kitchen stove. "Here, Mom! HereReuben exclaimed as he ran to her side. He placed a small box in herwork-roughened haHis mother unwrapped it carefully, to save the paper. A bluepaper box appeared, and she lifted the lid. In gold lettering on a pair ofred, lambskin gloves was the word Mother. And a card says,"It isMothers Day. We appreciate all the things that Mom does for usThank you! "His mother had never received such a gift; she had nogift except her wedding ring. Spccchlcss, she smiled sweetly andgathered her son into her arms, with tears running down her cheeks.Long live with this happy moment!

7.D男患者的母亲和女儿都是患者,并不能确定该病的遗传方式,A错误;红绿色肓症是单基因遗传病,通过染色体组型分析只能确定染色体异常遗传病,B错误;冠心病、哮喘等属于人类多基因遗传病,在人群中的发病率较高,但易受环境的影响,不适合作为人类遗传病的调查对象,C错误

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