引起单纯性肥胖的病因哪项是错误的（）.
A.营养摄入过多
B.由疾病引起
C.活动过少
D.父母肥胖
E.精神创伤
参考答案：B
易炭化物检查法是检查
A．不溶性杂质 B．遇硫酸易炭化的杂质 C．水分及其他挥发性物质 D．有色杂质 E．硫酸盐杂质
As a matter of fact, _____ of sleep can make you look tired, and even _____ putting on weight.
A. lose; cause B lost; result from C loss; result in D losing; lead
