2022英语周报高二北师大HD华东答案

12.【答案】D【解析】在植物的生长发育和适应环境变化的过程中,各种激素的含量会发生不同的变化,由图也明显地看出,不同的发育时期各种激素的含量不同,D错误;吸水是种子萌发的第一步,种子只有吸收一定水后,才可以开始其它的生理活动,大雨天气给在穗上的种子提供了萌发所需要的水分,种子就更容易萌发,A正确;一般来说,植物激素对植物生长发育的调控,是通过调控细胞分裂、细胞伸长、细胞分化和细胞死亡等方式实现的,B正确;由左图可知,种子发育后期脱落酸含量增加,种子含水量下降,说明脱落酸能促进种子脱水干燥,有利于种子的休眠;由右图可知,种子萌发过程中生长抑制剂脱落酸的含量下降,赤霉素含量上升,故干热高温降解脱落酸,利于种子萌发,C正确。

第二节One possible versionI heard the footsteps and the light tap on the door. Mylegs trembling and tears streaming down, I hid myself behindBrother Lu. Mom walked in first, hugged him and then looked atme with a weak smile. Her eyes were swollen from crying. Andthen Dad was there. without even shaking hands with BrotherLu, he came straight to me and gathered me up into his strongarmsHolding me close, he whispered, I love you foreverThen he pulled back and looked at me with love and pride. "T'mterribly sorry, Daddy. I love you so much, I said thankfully.I know. Let's go home. " Just then, all my fear was gone. I realizedthat I was still Daddys little girl. And i was convinced that thoughthere would probably be unimaginable difficulties and pains thatlay ahead of me, I could get them over because I had a strong andloving family that would always be there for me

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