肝脏产热占体热的15%。()
参考答案：错
When it comes ourselves at the weekend, he would talk about his fishing experiences in the countryside.
A．relaxing
B．to relax
C．to relaxing
D．being relaxed
一次性使用无菌注射器其镉的含量应是( )。
A．≤10μg/gB．≤5μg/mLC．≤1.0D．≤0.5mLE．≤0.1μg/mL
