等比数列{an}中，a1>0，a2a4＋2a3a5＋a4a6＝36，则a3＋a5

整体看来，《五代史伶官传序》所运用的主要沦证方法是______

A．归纳法
B．演绎法
C．类比法
D．对比法

一氧化碳中毒现场急救首先采取

A．吸氧

B．建立静脉通道

C．就地心肺复苏

D．清洗皮肤

E．撤离现场

坤宝丸主治

A．肝肾阴虚证
B．脾胃亏虚证
C．心脾两虚证
D．脾肾阳虚证
E．以上均不是

One of the guidelines in writing the C code for a software tool is as follows: write code that is as clear and as simple a (76) . The C language can be difficult to read if you combine all (77) features in a single statement. Break complicated (78) into several easy to understand statements for the (79) of readability. This style helps to make your programs more (80) and error-free.

A．readable

B．reusable

C．possible

D．semantic

E．syntactic

F．constructions

G．safe

H．impossible

I．sake

J．structure

讨论新经济地理学及其发展特点。