若（x+3）（x-4）=ax2+bx+c，则a=______、b=______、

马斯洛认为人最高层次的需要是（）。

A、安全需要

B、归属与爱的需要

C、尊重的需要

D、自我实现的需要

禁忌冷疗的部位不包括

A．心前区

B．枕后、耳廓

C．腹部

D．胸窝

E．足底

WAP uses (71) , which includes the Handheld Device Markup Language (HDML) developed by Phone.com. WML can also trace its roots to eXtensible Markup Language (XML). A markup language is a way of adding information to your (72) that tells the device receiving the content what to do with it. The best known markup language is Hypertext Markup Language. (73) HTML, WML is considered a meta language. Basically, this means that in addition to providing predefined (74) , WML lets you design your own markup language (75) . WAP also allows the use of standard Internet protocols such as UDP, IP and XML.

A．tags

B．certificates

C．messages

D．authentication codes

城市绿化卫生要求中哪一项是错误的（）

A.绿化要满足调节微小气候要求

B.绿化要满足环境中O₂和CO₂平衡要求

C.南方夏季闷热和人口密集的大城市不可安排太多绿地面积

D.绿化要全市均衡分布，形成点、线、面结合绿地系统

E.应选择树冠大、生长快且具有环保作用的经济树木

大输液常用流通蒸气灭菌法。