2022英语周报九年级外研第三答案

23.ABC【解析】若某种单糖为采糖,其与一分子葡萄糖结合在一起形成的蔗糖不具有还原性;若构成②的碱基是尿嘧啶,则物质②构成的tRNA中含有氢键;若某种单糖是葡萄糖,葡芶糖脱水缩合形成的纤維素不是储能物质。

Li Hua第三节One possible versionParagraph 1Run!" Eddie yelled. Cathie was running as fast asshe could down the road. Eddie soon caught up with her.Then he suddenly remembered Marie. They stopped andturned. Marie was nearly paralyzed with fear as she stum-bled down the road towards them, waving her arms wildlyhough frightened, Cathie and Eddie had to go backLuckily, the noises were fading away as Cathie and Eddieack. Each one grabbed an arm and practically draggedMarie down the road. When there was no sign of pursuitthey slowed down, each convinced that they had met BigfoParagraph 2When they reached their driveway they sme Mr. Kingtcho came to delier corn was talking to Dad. The kids triedto slip into the house unnoticed, but Dad motioned for themto come over and asked whether they were walking up bythe dam. They looked at each other and allheads. "My prize pig broke out of the barn two days agoand I stillfind it, Mr. King said in a worriedvoice. Hearing that, Dad laughed."Maybe you should gosee Fred MeAfree. Something tells me he saw your pigThen he glanced towards the kids as though he knew whathad happene

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