上呼吸道感染史，胸痛，呼吸时加重，心电图ST段弓背向下型抬高（） A.风湿性心包炎 发布时间：2017-05-07 20:14 │ 来源：www.tikuol.com 题型：单项选择题 问题： 上呼吸道感染史，胸痛，呼吸时加重，心电图ST段弓背向下型抬高（）A.风湿性心包炎B.结核性心包炎C.化脓性心包炎D.急性非特异性心包炎E.尿毒症性心包炎
题型：单项选择题 完型填空。 Americans think much about time. From children they 1 to value(珍惜)time. As children they aretaught to be on time 2 to school, to work and to do everything. When they are having a good time, they 3 that time flies. When a person is dying(生命垂危),they say he is living on 4 time .Time is money. Time is 5 in America. A working American has to work hard for eight hours a day or forty hours 6 . This is the working time. In his free time, he also works hard 7 more money. Even on Saturday and Sunday he also works hard as usual. In the street you can 8 see that a man walks slowly.They walk very fast. In fact, they are running. They love 9 because time can bring them money and a lotof things . But sometimes they also 10 time,because they feel that they have become servants(仆人)of the clock.( )1. A. teach ( )2. A. going ( )3. A. say ( )4. A. lent ( )5. A something( )6. A a day ( )7. A for ( )8. A nearly ( )9. A money ( )10. A hate B. earn B. go B. tell B. borrow B. anythingB. a week B. on B. hardly B. work B. love C. work C. to go C. ask C. lend C. everythingC. a month C. with C. almost C. time C. feel D. play D. went D. speak D. borrowed D. nothing D. an hour D. at D. always D. knowledgeD. like 查看答案
题型：单项选择题 关于呼吸系统的生理功能，下列哪种说法是不正确的（）A.吸入氧气排出二氧化碳的过程称为气体交换B.主要的呼吸生理功能是气体传导C.主要的呼吸生理功能是气体交换D.肺循环与外界气体交换称外呼吸E.体循环与组织细胞间的气体交换称内呼吸 查看答案