[单选题]下列各项，说法不正确的是( )。
A.宋代《闰中秋月帖》的笔体属于瘦金体
B.我国第一部家庭教育的专著是《颜氏家训》
C.迄今发现的铭文最多的古代青铜鼎器是毛公鼎
D.《牧马图》是唐代画家阎立本的著作

[填空题]Ninety percent of Americans know that most of their compatriots are overweight, but just 40 percent believe themselves to be too fat. Government{{U}} (36) {{/U}}show that more than 60 percent of the U.S. population is overweight, and half is obese, meaning they are at serious{{U}} (37) {{/U}}of health effects from their weight. But the Pew Research Center telephone survey of more than 2,000 adults finds that many people{{U}} (38) {{/U}}how tall they are and underestimate how much they weigh--and thus do not rate themselves as overweight, even when they are. The survey finds that most Americans, including those who say they are overweight, agree that personal behavior--rather than{{U}} (39) {{/U}}disposition or marketing by food companies--is the main reason people are overweight. In{{U}} (40) {{/U}}, the public says that a failure to get enough exercise is the most important reason, followed by a{{U}} (41) {{/U}}of willpower about what to eat. About half the public also sa

[判断题]( )动作发展迟缓表现运动发育落后于正常婴幼儿。(1分)
A.正确
B.错误

[单选题]关于衍生工具的定义，以下描述错误的是()
A.有的衍生工具在结算时要求实物交割，有的要求用现金结算
B.衍生工具可以按合约规定在到期日或者到期日之前结算
C.衍生工具的交割价格是签订买卖合约时标的资产的价格
D.所有衍生工具都会规定一个合约到期日

[单项选择]