确定贷款抵押率应考虑哪些因素？各种因素对抵押率有何影响？

症见心胸隐痛，久发不愈，心悸盗汗，心烦少寐，腰酸膝软，耳鸣头晕，气短乏力，舌红，少苔，脉细数。证属（）。

A.心肾阳虚

B.心肾阴虚

C.心气亏虚

D.痰阻心脉

E.心血瘀阻

I like this 3G cellphone very much, but it costs almost _______that one.

A．four times as many as

B．as four times many as

C．four times as much as

D．as four times much as

如图是通电分解水的简易装置．据图回答：

（1）电源正极相连的试管内的气体体积与电源负极相连的试管内的气体体积比大约是______；

（2）电解水的化学方程式是______．

体内的脱氧核糖核苷酸是由各自相应的核糖核苷酸在（）水平上还原而成的，核糖核苷酸还原酶酶催化此反应。

精神分裂症最具特征性的思维障碍是

A．破裂性思维

B．思维奔逸

C．思维贫乏

D．思维迟缓

E．上述都对