英语周报gdy高一2022答案

书面表达One possible version:NOTICEA sports meeting will be held in the playground of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especially for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEveryone is welcome to take part in it. Those who perform excellently at the sports meeting will get prizes. But don' t take theresults so serously because taking part is more important than the result. Good luck to everyone!

7.D)【解析】水杨酸是楨物激素,对植物体内蛋白质的合成起调节作用具有催化作用的是酶;据图中数据分析可知,相同浓度的水杨酸处理不同水稻幼苗后的实验结果是不同的;据图中曲线变化可知.不同浓度水杨酸处理YTA水稻幼苗12h后抗病能力有差异,其中水杨酸浓度为1.5×10~mol·L-'时,水稻抗病能力相对较强;据图分析.与对照组的数据(0mol·L.1)对比可知,浓度为1.5×10-4mol·1-、7.5×10mo·L的水杨酸抑制蛋白质含量的增加.3.75×10-5nol·L:的水杨酸促进蛋白质含量的増加,说明水杨酸对YTB水稻幼苗叶片中蛋白质的合成作用具有两重性。故选D

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