问题
名词解释
生物素
答案
参考答案:
生物素是体内多种羧化酶的辅酶,如丙酮酸羧化酶,参与二氧化碳的羧化过程。
生物素
参考答案:
生物素是体内多种羧化酶的辅酶,如丙酮酸羧化酶,参与二氧化碳的羧化过程。
短文填空(每题1分,共10分) 阅读短文,用方框内所给单词的适当形式填空,使短文意思通顺、完整。(注意:①每个单词只能用一次。②其中有两个多余选项。)
A lot of people will live and work under sea or in ⑥____________ because there will be big towns and ⑦____________ there. Robots will do most of the work, and people will just ⑧____________ two or three days a week. They’ll be able to ⑨____________ to the moon in a spaceship and ⑩____________ their holidays there. |