对生物节律说法不正确的是( )。
A.机体活动的变化规律
B.以一天为单位表现
C.是一贯的、规律性的变化模式
D.和睡眠无关
参考答案:D
Although she managed to buy some medicine, the instructions on the bottle really made her .
A.confusing; confused
B.confused; confused
C.confused; confused
D.confusing; confusing
日本血吸虫致病的主要阶段是()
A.成虫
B.虫卵
C.毛蚴
D.尾蚴
E.母胞蚴