2022衡水金卷先享题信息卷全国乙卷A理综一答案

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34.D【解析】t是葡萄糖,且T遇碘不变蓝,则T可能是糖原或纤维素该细跑不一定是植物细胞,A项错误;D可以被胃液中的蛋白酶消化,说明D是蛋白质其基本组成单位d是氨基酸肯定含有氯元素,可能含有硫元素,B项错误;组成蛋白质的氮基酸共有20种,C项错误;多糖和蛋白质的合成过程中均”3有水生成;D项正确。

第三节书面表达One possible version:Dear Sir/MadamI have read your advertisement in the newspaper. Youmentioned in it that your instructors are fully qualified andou ensure that learners will be able to swim well after oner can swim a little but I'm not very confident in thewater. So I'm interested in taking part in the trainingcourse. Fortunately, the summer holiday isaround the corner. I'm writing to inquire when and where the course willbe given, and how long the training courseday. I also want to know how much you will charge me forthat. Besides, would you be so kindtell me whetherthere is anything special that should be prepared or doesyour company provide everythingI am looking forward to hearing from you soon.Yours sincerely