叉车液压驱动系统是为叉车起重机构提供各工作油缸的高压油。
参考答案：错
His father told him _______ with matches. It can be dangerous.[ ]
A. not play
B. not to play
C. don't play
D. don't to play
关于体温，哪项是错误的（ ）
A．正常人一天之中体温波动不超过1.0℃
B．妇女在月经期体温会轻度升高
C．进餐可引起体温轻度升高
D．心肌梗死后会出现发热
E．安眠药中毒可导致中枢性发热
ay