根据短文内容和所给汉语提示，写出空白处各单词的正确形式，每空限填一词。

     Many    1   (孩子) like Liming and Liu Sanzi had to    2   (退学) out of school because their families

are   3   (贫穷的). Now they can go to school with the    4   (帮助) of Project Hope. In the last 15

years, this project has raised money and    5   (支付) for the education of 2.5 million students in the   6   (农村). People in China and    7   (国外) have given 2.2 billion yuan.    8   (用) the money, Project

Hope has built many   9   (图书馆) and schools. It has also    10   (培训) teachers.

1._____ 2._____ 3._____ 4._____ 5._____

6._____ 7._____ 8._____ 9._____ 10._____

应急增压控制包括（）

A、排气活门，负释压活门，座舱高度警告系统

B、排气活门，正压释压活门，座舱高度警告系统

C、正压释压活门，负释压活门，座舱高度警告系统

D、排气活门，正压释压活门，负释压活门