由急性冠周炎或根尖炎等原因引起的骨髓炎为() A.化脓性颌骨骨髓炎 B.慢性颌骨骨髓 发布时间:2017-08-04 16:19 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 由急性冠周炎或根尖炎等原因引起的骨髓炎为()A.化脓性颌骨骨髓炎B.慢性颌骨骨髓炎C.放射性颌骨骨髓炎D.婴儿颌骨骨髓炎E.亚急性颌骨骨髓炎
题型:单项选择题 B1型题 某同学在研究物质燃烧的条件时,做了如图所示的实验:把一条粗金属丝绕成线圈罩在一支蜡烛的火焰上,火焰很快就熄灭了。关于这一实验的说法中,不正确的是A.金属丝有良好的导热性B.金属线圈内的气体温度升高了C.可燃物的温度降到了着火点以下D.若预先将金属丝加热,蜡烛就不会很快熄灭 查看答案
题型:单项选择题 B1型题 Questions 6 to 10 are based on the following news.A. Few people expect a breakthrough on reaching an international treaty. B. The toughest issues on climate change would remain unresolved. C. The United Nations negotiating process itself is at risk. D. The United States entered the talks in a p position. 查看答案