体内()是直接供能的形式,而()是能量储存的形式
A.ATP,磷酸肌酸
B.ATP,磷酸胍类
C.ATP,GTP
D.GTP,磷酸肌酸
E.GTP,磷酸胍类
参考答案:A
---Your school is becoming more and more beautiful!. --- Thanks. It ________a lot in the past few years.
A.will change
B.has changed
C.was changing
D.changed
依靠高速旋转的叶轮而使液体获得压头的是().
A.叶片泵
B.柱塞泵
C.齿轮泵
D.离心泵