September 4 was my first day at Phillips Academy,my new school.It was also my 18th birthday.
I received a warm (1) from my host family—the Steins.Gena was my host mum,and her daughter Lily would also be a new
﹣2的绝对值是( )
10+____=14
8+____=15
实验名称
实验方法
A
探究酵母菌的细胞呼吸方式
对比实验法
B
探究细胞大小与物质运输的关系
模拟实验法
C
摩尔根的果蝇杂交实验
假说一演绎法
D
肺炎双球菌转化实验
同位素标记法