2021-2022课标英语周报45期高二答案

22.(12分,每空2分)(1)在油菜种子成熟过程中可溶性糖转化为脂肪在油菜种子萌发过程中脂肪转化为可溶性糖(2)脂肪(3)①呼吸作用强,种子内贮存的有机物因分解而损失过多②呼吸作用强,放出热量多,温度升高,种子易发芽、霉变(4)O【解析】(1)图A是油菜种子成熟过程中脂肪和可溶性糖含量变化,可溶性糖含量减少,脂肪含量增多,可见在种子发育过程中可溶性糖转化为脂肪。图B可反映在种子萌发过程中脂肪转化为可溶性糖。(2)在种子萌发过程中,脂肪百分比逐渐降低,该过程需要脂肪酶的作用。(3)油菜种子人库前必须对其进行干燥处理,因为含水量高会导致:①呼吸作用强,种子内贮存的营养物质因分解而损失过多;②呼吸作用强,放出热量多,温度增高;种子易发芽、霉变。(4)在种子萌发初期,油菜种子中的脂肪转化为可溶性糖,可溶性糖中的O含量高于脂肪,因此导致萌发初期种子干重增加的主要元素是O

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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