哪项是内源性致热原A.细菌、病毒或细菌毒素等致热原 B.坏死组织和炎性渗出物等致热原 发布时间:2017-12-23 11:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 哪项是内源性致热原A.细菌、病毒或细菌毒素等致热原B.坏死组织和炎性渗出物等致热原C.多糖体、淋巴细胞激活因子等致热原D.原胆烷醇酮和抗原抗体复合物等致热原E.白细胞致热原
题型:单项选择题 众所周知,树木在人们的生活中起着非常重要的作用,请根据下面的提示写一篇80词左右的英语短文。树木的作用:树木能为人们提供建筑和制造桌椅纸张的木材;可以制造氧气,净化空气;…… 2.保护措施:禁止乱砍乱伐;不用一次性纸杯;多种树。 查看答案
题型:单项选择题 用所给词语的适当形式填空。1. Some people in _____ (west ) countries don't like the number 13. 2. Mr. Black gave me some _____ ( advice ) on how to learn English. 3. _____ ( eat ) too much is bad for your health. 4. People who _____ ( be ) too stressed out and angry may have too much yang. 5. Listen! Mary is practicing _____ ( play ) the piano. 查看答案