单位时间内l摩尔酶催化底物转变为产物的摩尔数
A．酶的活性单位B．酶的最大反应速度C．酶的转换数D．酶的比活力E．酶的浓度
参考答案：C
根据汉语提示用适当和词或短语完成句子。
1. 孩子们总是很乐意帮助那些需要帮助的人。
Children are always _____ _____ help people in need..
2. 当时这首歌很受年轻人的喜欢。
At that time this song was very _____ _____ young people.
3. 他一直到十点才写完作业。
He _____ finish his homework _____ ten o'clcok.
4. 为什么不试着自己攒钱？
_____ _____ try to save money by yourself?
5. 活到老，学到老。
It's never _____ late _____ learn.
In a racetrack turn，to recover a man overboard，the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?（）
A.60°
B.135°
C.180°
D.360°
