2021-2022 英语周报 七年级 43答案

第二节One possible versionDiamond hurriedly ran to the bird. Approaching thebird. he ran around themelt the bird. and thenbarked at his master. Gunnar understood the boy was asking him to help the bird. So, he picked it up gently. Aftercareful examination, Gunnar told his boy that Bibi didn'tlf indoors Considering that the bird wasn't wellgH to leave, he put him back in the basket, with andded bite of sweet potato as well. He decided to set himfree the next day, when he would be fully recoveredAfter Bibi s recovery, Gunnar placed him back out onthe balcony. Suddenly, the bird started to sing, as if hewere expressing thanks to Diamond. Then he spread hiswings,flying away. A while after the bird had gone, Isaid to Diamond: Where is Bibi?'"recalled GunnarHe looked at me, very sharply, then jumped on the sofaand ran directly to the balcony door. He knew exactly whatI was talking about.

20.A【解析】油菜种子储存能量的物质主要是脂肪,油菜种子在成熟的过程中,光合作用产物即糖类物质不断地运输至种了并转化成脂肪储存起来导致脂肪含量增加,A项正确;蛋白质结构与氨基酸的种类、数量、排列顺序以及蛋白质的空间结构有关,B项错误:)NA分子中脱氧核糖和磷酸交替连接排列在外侧,构成基本骨架,而遗传信息储存在DNA分子内部的碱基排列顺序之中,C项错误;血钙含量过低引起抽摘,血钙含量过高引起肌无力,D项错误

以上就是2021-2022 英语周报 七年级 43答案，更多英语周报答案请关注本网站。