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【单选题】
按官能团分类，丙酮与乙二醇在浓硫酸中反应的产物应该属于A.
醛
B.
醚
C.
酮
D.
酯
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反馈参考答案：
举一反三
【简答题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. Check-in Requirements Passengers and their baggage must be checked in at least 45 mi...
【简答题】肾脏的内分泌功能之一是分泌 A.促红细胞生成素 B.促白细胞生成素 C.促血小板生成素 D.以上都是
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. A resume is a brief summary of your abilities, education, experience, and skill...
A.
what not to
B.
why not
C.
how making
D.
when making
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The often criticized child of the industrial age, advertising has grown as soci...
A.
People think highly of advertising.
B.
People criticize advertising.
C.
Some people welcome advertising while others don't.
D.
There are more criticisms of advertising than praises.
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The most important thing when honoring guests from foreign countries is to acce...
A.
saying hello to them whenever you meet them
B.
accepting and understanding their different cultures
C.
sharing happiness and hardship with them
D.
helping them get what they hope for
【多选题】促红细胞生成素是( )。
A.
通过特异受体作用于红系集落形成单位
B.
它是红系集落形成单位生存和增殖的必需条件
C.
它主要产生于肾髓质
D.
肝也能产生一部分
E.
它是一种酸性糖蛋白
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Self-esteem is a private, individual matter. It goes up and down from day to da...
A.
kept as it is for a long time
B.
not fixed
C.
easy to improve
D.
the most important
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Cambridge University provides opportunities for educational achievement which a...
A.
where students can extend their mastery of a major
B.
where students can learn a practical skill
C.
where only the rich students can go for study
D.
whose admission standard is low
相关题目：
【多选题】促红细胞生成素是( )。
A.
通过特异受体作用于红系集落形成单位
B.
它是红系集落形成单位生存和增殖的必需条件
C.
它主要产生于肾髓质
D.
肝也能产生一部分
E.
它是一种酸性糖蛋白
参考解析：
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