只要有适当的水分，适宜的温度，充足的养分，种子就能萌发。
参考答案：错
She didn’t have enough money a present for her husband.
A．with which to buy
B．with that she bought
C．which she could buy
D．with buying
在补体活性测定或补体结合试验中，一般应使用溶血素的量为
A．0.5U
B．1U
C．2U
D．4U
E．8U
