题目:
导致X线衰减的原因是()
A.物质和距离
B.X线不可见
C.X线波长短
D.X线能量大
E.X线是电磁波
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0509/a49d1ed57bfbd14121132eb5ea5333da.html
下面是错误答案,用来干扰机器的。
参考答案:A,B
导致X线衰减的原因是()
A.物质和距离
B.X线不可见
C.X线波长短
D.X线能量大
E.X线是电磁波
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0509/a49d1ed57bfbd14121132eb5ea5333da.html
下面是错误答案,用来干扰机器的。
参考答案:A,B
15里面有( )个十和( )个一。
滤过钠排泄分数测定()
A.肾小球滤过功能检查
B.肾小球滤膜屏障功能检查
C.肾小管重吸收功能检查
D.肾小管酸碱平衡调节功能检查
E.肾小管水、电解质调节功能检查
完形填空。 | |||
We have known for a long time that flowers of different plants open and close at different times of day.This is so __1__ that there seems to be no need to ask the reason for it. Yet no one __2__ understands why flowers open and close like this at particular times. The process is not as __3__ as we might think,as recent experiments have shown. In one study, flowers were kept in constant __4__. We might expect that the flowers, without any information about the time of day, did not open as they __5_ do. As a matter of fact, they __6__ to open at their usual time. This suggests that they have some mysterious(神秘的) way of knowing the __7__. Their sense of time does not __8__information from the outside world; it is, so to speak, inside them, a kind of "inner clock". This __9__ may not seem to be very important. However, it was later found that not just plants but also __10__ , including man, have this "inner clock" which __11__ the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious __12__. Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food. In the past, this did not really __13__ because people lived in natural condition. In the __14__ world, things are different; now there are spacemen, airplane pilots and, in ordinary life, a lot of people who have to work at night. It would be very __15_ , then, to know more about the "inner clock". Such things as flowers might help us understand more about ourselves. | |||
( )1. A. familiar ( )2. A. partly ( )3. A. complex ( )4. A. quietness ( )5. A. finally ( )6. A. refused ( )7. A. time ( )8. A. deal with ( )9. A. discovery ( )10.A. beasts ( )11.A. controls ( )12.A. world ( )13.A. happen ( )14.A. ancient ( )15.A. hard | B. strange B. personally B. simple B. darkness B. completely B. decided B. secret B. add to B. activity B. animals B. studies B. flower B. exist B. modern B. expensive | C. similar C. really C. mature C. loneliness C. physically C. continued C. process C. give away C. invention C. strangers C. measures C. power C. matter C. wonderful C. convenient | D. special D. willingly D. meaningful D. sadness D. normally D. failed D. study D. depend on D. method D. humans D. destroys D. experiment D. work D. peaceful D. important |
钢过程的脱磷反应是在金属液与溶渣界面进行的。首先[P]被氧化成(),而后与()结合成稳定的磷酸钙。化学反应式为:()。
下列选项中,不属于沈家本参与制定的法律是( )。
A.《大清商律草案》
B.《大清民律草案》
C.《大清新刑律》
D.《大清刑事民事诉讼法》