1 . He spends two weeks with each client, d________ (to show or prove sth. clearly) the features and functions of the software. (根据英文提示单词拼写)

2 . ______ of what happened in advance, she stood in the meeting room, confused and awkward.

A．Not having been informed	B．Not being informed
C．Having not been informed	D．Have been not informed

3 . 当面临危险和冲突时，男性往往会血压升高，感到紧张或焦虑。(状从的省略，分词作状语)
________, men tend to increase blood pressure, ________.

4 . 在中国做过多次的负责任的志愿者，我相信自己就是你们想要的合适的人。（分词做状语）
________for many times in China, I believe that I’m ________.

5 . Treatments applied to burn vary, too, ________ ________the degree of burn.
治疗烧伤的方法也各不相同，这取决于烧伤的程度。