关于猪油的叙述，正确的是（）。
A.常温下呈液态
B.被称为油
C.被称为脂
D.单不饱和脂肪酸含量高
E.多不饱和脂肪酸含量高
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At present, almost everyone has a mobile phone, but have you ever thought that cell phones be bad for your health? A study shows that heavy mobile phone use may cause hearing loss(失聪). This study shows that people who use cell phones for about an hour a day have a time hearing some similar sounds, especially in their right ears. It is getting harder for to tell the difference between the sounds of“s”and“f”，and“t”and“z”. Researchers studied 100 people who used cell phones and them with 50 people who did not. The study lasted for 12 months. What the researchers found was that cell phone users had more hearing than those who did not use cell phones. Besides this, our ears have many little inside them. Too much noise will cause these hairs to get weak and die. When these hairs die, it affects our ability to listen. However, cell phone users don’t care too much this study. One man said,“I’d be more worried about people who MP3 players. They put those earphones in their ears and listen to very music. I think that is more likely(更有可能的) to cause hearing loss than a cell phone.”
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业主项目管理的目的，是( )。
A．实现投资者预期的投资目标
B．实现项目目标
C．服务于项目的整体利益和供应商本身的利益
D．保证投入资金的安全性和预期收益
五输穴是特定穴之一。古代医家把经气在经脉中运行的情况，比作自然界的水流，以说明经气的出入和经过部位的深浅及其不同作用。
五输穴分布：（）。
A.颈项以下
B.腰部以下
C.臀臂以下
D.肘膝关节以下
E.腕踝关节以下
隔爆型矿用防爆电气设备的标志是（）。
A.d
B.e
C.m
D.p
考核管理机关对种子检验员证每几年审查一次？（）
A.一
B.二
C.三
D.四