经皮输精管注射粘堵法药械的准备包括 A．输精管粘堵剂 B．输精管皮外固定钳 C．输精 发布时间：2017-05-09 02:19 │ 来源：www.tikuol.com 题型：多项选择题 问题： 经皮输精管注射粘堵法药械的准备包括A．输精管粘堵剂B．输精管皮外固定钳C．输精管穿刺针D．输精管注射液E．输精管粘堵注射器
题型：多项选择题 完形填空。 When Roy was four years old, his father 1 in an accident, leaving his mother and him. After Royleft high school, he wanted 2 to a good college in his hometown. But his mother would pay 3 moneyfor his college education. "I'll try to do something for you as soon as you pass the entrance exam," said his mother. Roy took the exam. As a result, he could enter the college 4 he didn't get very high scores. His mother was very excited, but she knew quite a lot of money would be needed. The next day, shesold her car and asked her boss 5 another four hours' work every day. She even had two jobs, one during the day and 6 at night. She had to walk to work and work twelve hours a day, seven days a week, but she didn't 7 . She thought her son's education was worth (值) so much. A term passed. Roy took his first exam after entering the college. When the results were told, Roy ran home to 8 his mother the news. "Mum," he said. "I've got my exam results. You must be very 9 ." "You mean you've passed?" she asked happily. "No, I haven't. You can get your car back and stop 10 like that from now on." ( )1. A. fell ( )2. A. to go ( )3. A. some ( )4. A. and ( )5. A. to ( )6. A. the others ( )7. A. complain ( )8. A. talk ( )9. A. worried ( )10. A. to work B. died B. to come B. no B. so B. for B. others B. refuse B. speak B. shy B. workingC. was hurt C. going C. much C. although C. with C. another C. quarrel C. say C. pleased C. work D. was hit D. coming D. little D. because D. of D. the other D. laugh D. tell D. free D. not working 查看答案
题型：多项选择题 用力传感器悬挂一钩码沿竖直方向由静止开始运动．如图中实线是传感器记录的拉力大小变化情况，则（ ）A．钩码的重力约为5NB．钩码的重力约为3NC．A、B、C、D四段图线中，钩码处于超重状态的A、D，失重状态的是B、CD．A、B、C、D四段图线中，钩码处于超重状态的A、B，失重状态的是C、D 查看答案
