201英语周报HD答案

网上的核糖体合成的是蛋白质,性激素是在内质网上合成3.DADA缺乏T淋巴细胞因代谢产物的累积而死亡,属于免疫功能缺陷症,A正确;腺苷脱氨酶(ADA)缺乏后免疫功能降低乃至丧失,故易导致病原体感染或癌症,B正确;根据题意可知,ATP只是对淋巴细胞造成影能对其他体细胞造成的影响并不明显,C正确;注射ADA,可以使患者病情缓解,口服时ADA会在消化道被分解D错误。4.A本实验有两个自变量、即温度和是否有光照,考自变量对叶经蓄含量的影面时,可独者虑光照或黑暗条

第一节One possible versionDear Ms JenkinsI'm writing to ask you for help. Our school is going to sponsor an exhibition of Chinese paintings in theschool library next month. As president of the student council, i have been assigned the job of drafting an arnouncement in English as there aredreds of international students in our schoohave already written a rough draft of the above-mentioned announcement. But I'm afraid that there aresome mistakes in the English language. So I am hoping you would correct my possible mistakes in the announce-ment that i have attachedId appreciate it if you could do me the favocerely yourLIH

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