第8题: [单项选择]妊娠合并心脏病早期心衰的表现是（） A. 踝部凹陷性水肿 B. 休息时心率>110次／分 C. 心脏浊音界扩大 D. 心尖部闻及期前收缩 E. 颈静脉怒张 参考答案:B 答案解析:早期心力衰竭表现为：①轻微活动后即出现胸闷、心悸、气短。②休息时心率每分钟超过110次，呼吸每分钟超过20次。③夜间常因胸闷而坐起呼吸，或到窗口呼吸新鲜空气。④肺底部出现少量持续性湿啰音，咳嗽后不消失
第13题: [单项选择]A机电安装公司承包某市一新建32层写字楼的消防系统安装工程。工程项目包括灭火系统、火灾自动报警系统以及送风、排烟系统的安装。设计技术文件规定，自动喷水灭火系统的管子公称直径为90mm，室内消火栓给水管道管径为110mm，火灾自动报警系统的工作接地线采用电缆金属管。设备系统安装完毕进行单机通电检查，正常后进行系统调试，并填写调试报告。 工程自动喷水灭火系统的管子应用( )连接。 A. 螺纹 B. 法兰 C. 焊接 D. 卡箍 参考答案:A
第21题: [简答题]Direction：For this part，you have to write a short passage on the topic：Volunteer Teaching in the West．You should write at least 150 words following the outline given below in Chinese： 1．每年，高校许多大学生受到鼓舞去贫困地区支教； 2．支教活动的意义； 3．你的看法。 参考答案:
Volunteer Teaching in the West
Every year，c。llege students are inspilled t。help students with their study in underdevdloped areas in China．They have been trying their best to impaknowledge to those students who are SO eager to learn． This volunteer practice has been beneficial in two aspects．On one hand，college volunteers have opened the eyes of students in underdeveloped regions to the outside world by bringing them new knowledge and thoughts．As a result，they are extremely welcome and respected by the children there.On the other hand，college students have received a rigorous training by adapting to the harsh living conditions．They are learning how to deal with difficulties and face challenges as well．By any means，this volunteer experience will be always a valuable asset in his or her life． In my opinion，every Chinese citizen is responsible for the development of education in China.And we college students should take the lead in response to the appeal for offering aid to children in poor areas．
