Tooth sensitivity is usually caused by dentin on root areas exposed due to receded gums or periodontal disease. Receded gums are very common and up to four fifths of people have gum recession by the time they are 65. When the root of a tooth becomes exposed it does not have a layer of...
“When a candidate for public office faces the voters he does not face men of sense; he faces a mob of men whose chief distinguishing mark is the fact that they are quite incapable of weighing ideas, or even of comprehending any save the most elemental — men whose whole thinking is done...
and why the suggested change removes it. The fact that the idea of equality is not stated explicitly in the Principle is one of the reasons, I suspect, that the people supporting this change have had trouble understanding some of the pushback against their proposal.2 ...
the three stages of dengue fever? ( )声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任...
What conclusion can be drawn from the passage?D未提及，C过于绝对，D未提及，均可排除。作者在文章最后5段中给出了很多建议，不言而喻“Anxietycanbecopedwith”，另外，结合最后一段中的'Sometimesanxietyisunavoidable．”便可肯定正确答案为A。
Smallpox was the most feared “distemper” in Colonial America. No one yet understood that it spread when people inhaled an invisible virus. The disease was fatal in more than 30 percent of all cases and even more deadly to children. Survivors were often blind, physically or mentally disabled...
"Children who learn Chinese at a young age will have more opportunities for jobs in the future." Isabel Weiss, 9, isn’t thinking about the future. She thinks learning Chinese is fun. "when you hear peo- ple speaking in Chinese, you know what they’re saying,’ she says. "And they...
Ocean (n.) The whole body of salt water which covers more than three fifths of the surface of the globe; -- called also the sea, or great sea. Ocean (n.) One of the large bodies of water into which the great ocean is regarded as divided, as the Atlantic, Pacific, Indian, Arctic...
That is,【21】city has the largest population? Thisseems like【22】question to answer, but actually it isn't. It's actually rather difficult to say which cities【23】the largest. There are two reasons for this difficulty. First of all, it isn't easy to determine a city's boundaries, ...
“The hereditary condition is much more prevalent among people from African or African-Caribbean origin. The drug will also reduce the number of times a sickle cell patient needs to go to A&E by two fifths,” the NHS boss further explained. ...