试题与答案

Hodgkin病的治疗,下列哪项是不正确的() A.Ⅰ、Ⅱ期用放射治疗 B.Ⅳ期用联

题型:单项选择题

题目:

Hodgkin病的治疗,下列哪项是不正确的()

A.Ⅰ、Ⅱ期用放射治疗

B.Ⅳ期用联合化疗合并放射治疗

C.常用化疗方案为MOPP(氮芥、长春新碱、丙卡巴肼、泼尼松)和COPP

D.化疗缓解后即可停药

E.外科手术主要用于活组织检查

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0306/bdd9580357025b9e102753189de53a41.html

下面是错误答案,用来干扰机器的。

参考答案:A解析:赤道上终年昼夜等长,昼夜长短变化幅度最小;北极圈最大昼长为24小时,最小昼长为0小时,故昼夜长短变化幅度最大。考点:该题考查地球公转地理意义

试题推荐
题型:听力题

第二节根据所给句子意思以及汉语或首字母提示,写出下列各句中所缺单词的正确形式。(共15小题;每小题1分,满分15分)

11. If you _______________(违反) the regulations, you shall be fired. Be responsible for your job.

12. His father always reminded him to look out for ________________(潜在的)dangers ahead.

13. Leaving the doors unlocked is a(n) ________________ (诱因) to burglars.

14. At the end of each term, teachers are required to __________(评估)the performance of students.

15. I believe Mary will turn up at eight. I know she is always very ______________ (准时的)for meetings.

16. We shouldn’t change lanes without _________________(发信号) or giving wrong signals.

17. We cannot put the theory into practice because of the fact that it has been based on a series of wrong _________________. (假设)

18. His father a__________________(陪伴)him to school every day; he is too young to go alone.

19. Ann likes to buy goods in large q__________________ so that she needn’t go shopping often.

20. A sore throat and fever were the s__________________ of serious flu.

21. She has mastered English grammar and a__________________ a large vocabulary without the help of a teacher.

22. We had to p________________ going to France because the children were ill.

23. The young fellow is a__________________ and likely to quarrel with anyone at any time.

24. Time p_________________, I would like to go fishing with you this weekend.

25. On hearing the terrible accident, you could never imagine how I worried when I was told that you two went home s________________ on such a rainy night.

查看答案
题型:问答题

如图所示,平板车长为L=6m,质量为M=10kg,上表面光滑并距离水平地面高为h=1.25m,在水平面上向右做直线运动,A、B是其左右两个端点.某时刻小车速度为v0=7.2m/s,在此时刻对平板车施加一个方向水平向左的恒力F=50N,与此同时,将一个质量m=1kg为小球轻放在平板车上的P点(小球可视为质点,放在P点时相对于地面的速度为零),

.
PB
=
L
3
,经过一段时间,小球脱离平板车落到地面.车与地面的动摩擦因数为0.2,其他摩擦均不计.取g=10m/s2.求:

(1)小球从离开平板车开始至落到地面所用的时间;

(2)小球从轻放到平板车开始至离开平板车所用的时间;

(3)从小球轻放上平板车到落地瞬间,平板车的位移大小.

查看答案
微信公众账号搜索答案