关于“材料成本差异”，下列说法错误的是（）。A．属于资产类账户 B．属于调整账户 C 发布时间：2018-07-23 17:41 │ 来源：www.tikuol.com 题型：单项选择题 问题： 关于“材料成本差异”，下列说法错误的是（）。A．属于资产类账户B．属于调整账户C．属于备抵附加账户D．期末账户的余额与对应的被调整账户的余额方向相反
题型：单项选择题 任务型阅读。从方框中选择恰当的句子补全短文。 Did you sleep all day on March 21? 1 This is the day of the year when people around the world care about their sleep and ask themselves a lot of questions about sleep. Why do we need sleep? 2 However, tests have shown that a lack(缺乏) of sleep for over four weeks may cause a strong drop of body temperature, great weight loss, and finally sickness. 3 Eight hours a night is the average amount of sleep people need. Primary schoolstudents need to sleep for about ten hours. Junior high school students should sleep for about ninehours and senior high school students should sleep for about eight hours. 4 Thomas Edison said that sleep was a waste of time. He didn't sleep during the night. But he took naps (小睡;打盹) during the day. On the other hand, 5 A. Nobody can answer this question well. B. Different people need different amounts of sleep. C. Albert Einstein said he needed to sleep for at least ten hours a night. D. There are so many people that do not care about their sleep. E. You should have done so because it was World Sleeping Day. 查看答案
题型：单项选择题 下列词语中没有错别字的一项是（ ）A．势利眼掎角之势拉拉队痉挛震古烁今B．摄像机蛛丝马迹水龙头辐射借风驶船C．活性碳和颜悦色节骨眼凑合一塌糊涂D．水蒸气平心而论名信片通牒变本加厉 查看答案
题型：单项选择题 直线l：x+y-5=0，若点M（x1，y1）在直线l关于点P（-1，3）对称的图形上运动，点N（x2，y2）在直线l上运动，则点M到点N的距离的最小值为（ ）A．23B．42C．32D．33 查看答案
题型：单项选择题 用一束紫外线照射某金属时不能产生光电效应，可能使该金属产生光电效应的措施是（ ）A．改用频率更小的紫外线照射B．改用X射线照射C．改用强度更大的原紫外线照射D．延长原紫外线的照射时间 查看答案