企业技术进步管理包括企业的（）、（）、（）、（）等项工作。
参考答案：技术创新；技术引进；技术改造；技术积累
— I happened to notice Bob's father quarrelling with the teacher in defense of his son.
— No wonder Bob always performs poorly in class. It's really "_______".
A . Love me , love my dog
B . Like father, like son
C. Birds of a feather flock together
D . A busy mother makes a lazy daughter
急性炎性脱髓鞘性多发性神经根病人进食时和进食后30min抬高床头的主要原因为
A．降低颅内压B．促进胃消化C．促进呼吸D．防止窒息E．促进炎症局限
