皮皮学，免费搜题
登录
搜题
【单选题】
做叶绿体色素提取和分离实验时,滤纸条上出现的 4 条色素带中,在层析液中溶解度最大的和色素带最宽的分别是( )A.
叶绿素 b 和叶绿素 a
B.
胡萝卜素和叶黄素
C.
叶绿素 b 和叶黄素
D.
胡萝卜素和叶绿素 a
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】______ caused the writer to write the article.
A.
Reading Pushkin's poems and discussing them with her daugter.
B.
Listening to a lecture and thinking about her responsiblilites.
C.
Reading a book and thining about her daughter's behaviour.
D.
Seeing a film and thinking of her childhood experiences.
【简答题】Why does Chomsky choose to write the article about media?
【简答题】We can use cell phones to communicate with othors when we encounter______．
【单选题】_______ caused the writer to write the article.
A.
Discussing poems with her daughter
B.
Listening to a lecture
C.
Thinking about her daughter’s behaviour
D.
Thinking of her childhood experiences
【简答题】法治思维以法律原则和法律规则为依据来指导人们的社会行为,是一种()思维
相关题目：
参考解析：
知识点：
题目纠错 0
发布
