1+3+5+7+9=5×5=25
2+4+6+8+10
=6______
=______．
=6×5
=30．
故答案为：5，30．
The sad truth is that most of us have been brought up to eat foods and stick to them all our life. [ ]
A. the certain
B. a certain
C. certain
D. some
机体对创伤或感染代谢反应不同于禁食代谢反应的主要特点是
A．处理葡萄糖的能力降低B．尿氮减少C．脂肪动用减慢D．体内蛋白质分解减慢E．机体能量消耗减少
