问题 单项选择题

脊髓灰质炎病毒主要经过下列哪种途径传播()。

A.血液途径

B.粪-口传播

C.母婴垂直传播

D.破损传播

E.性接触传播

答案

参考答案:B

问答题

翻译下面句子。

1.大王加惠,以大易小,甚善;虽然,受地于先王,愿终守之,弗敢易!

                                                                                                                                                  

2.且秦灭韩亡魏,而君以五十里之地存者,以君为长者,故不错意也。

                                                                                                                                                 

3.孤不度德量力,欲信大义于天下,而智术浅短,遂用猖蹶,至于今日,然志犹未已,君谓计将安出?

                                                                                                                                                             

                                                                                                                                                               

4.曹操比于袁绍,则名微而众寡,然操遂能克绍,以弱为强者,非惟天时,抑亦人谋也。

                                                                                                                                                             

选择题