题目

    Communication is an important part of any relationship．Many of us are  41  to share our experiences or emotions with our friends．But when it's our turn to lend a（n）42,we soon become bored or are short of idea on how to _43  and offer advice．     That's because of what researchers call listener burnout（倦怠）”．Friend might talk to us  44,often complaining about the same  45  problems．When we offer quick advice to _46  the situation, we may be unconsciously trying to  47  0urselves from buyout．However, good listeners  48  their natural tendenc2015年我国动物学家发现了一种“海南缺翅虫”的新物种，如图为该昆虫的几种化合物示意图，有关叙述正确的是（　　）A. 图甲是该昆虫细胞膜上载体的基本单位B. 图甲所示物质在该昆虫的核糖体上合成C. 图乙中若a为脱氧核糖，m可以是尿嘧啶D. 图丙是该昆虫体内合成多糖的基本单位