【单选题】患儿,男,2岁。自幼发绀,发育落后,有杵状指,喜欢蹲踞,诊断为法洛四联症,20分钟前突然发生昏厥来院就诊。 此患儿应考虑为
【单选题】Teenagers ________ their sense of hearing because they always wear earphones.
【单选题】以下对Python文件描述正确的是【】。
【判断题】We should always wear safety glasses and hearing protection when working with machines 翻译:使用这些机器时,我们要戴安全防护眼镜及听力保护装置。
【简答题】Everyone gets sick of hearing. “Put on your seat belt!”But it’s good advice. People who wear seat belts are 45 percent less likely to be killed while riding in the front seat of a car. The US governme...
【简答题】People who are hard of hearing wear special devices that amplify sound so that they can hear.