标准化的期货合约中唯一可变的变量是（）。-我要搜题网

[不定项选择题]共用题干 One-third of Parents Lack Facts about Child Development
One-third of parents of babies have a surprisingly low knowledge of child development,in-cluding basic concepts about what their children should know or how they should act,a new study finds.
For instance,the study found that many parents don't know that 1 -year-olds can't tell the difference between right and wrong,and often don't cooperate or share when playing with other children.
The results are surprising because the parents who took part in the survey had young chil- dren,said lead author Dr. Heather Paradis,a pediatric fellow at the University of Rochester Med-ical Center in New York.“They were watching or had just watched their kids go through this de-velopment,and they were probably the most knowledgeable of anybody.”
Paradis and her colleagues examined the results of a survey of parents—98 .6 percent of whom were mothers—of more than 10,000 9-month-old babies. As part of the survey,the parents were asked 1 1 questions designed to test their knowledge of a baby's development.
The researchers also examined what the parents said about their interactions with their chil- dren,and watched videotapes of how the parents taught new things to their kids.One-third of those surveyed incorrectly answered four or more of the questions.Even when the researchers ad-justed the statistics to account for such factors as education levels and income,those parents were still less likely to enjoy“healthy interactions”with their children.
A lack of proper understanding of a child's development can cause assorted problems,Para-dis said. For example,she said,a mother might expect an 18-month-old child to sit still for a doctor's appointment,even though children that age are normally curious and like to wander around.
“A mom could misinterpret a child's normal curiosity as intentionally being defiant,and could respond with harsh discipline,withdrawal of affection and repetition of that pattern over time,”Paradis said.“That could hinder the child's potential for full growth and development.”
The findings were to be presented Sunday at the Pediatric Academic Societies' meeting in Honolulu.
One solution,Paradis said,is for pediatricians to take a more active role in educating new parents.“By improving knowledge of child development among all parents,not just those who are at highest risk,there's an opportunity to enhance parent-child interaction,”she said.“It can ul-timately lead to better parenting.” Most mothers with young children prefer to stay at home.
A.Right
B.wrong
C.Not mentioned

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[单选题]吴某经营一小型加工厂，为了扩大生产规模，急需贷款，因其不符合银行的放贷条件，于是便在向银行申请贷款的过程中提供了虚假材料，骗得银行贷款125万元。投入生产后被一客户诈骗，造成贷款到期无法归还。关于吴某行为的认定，下列说法正确的是【】。
A.吴某主观上无非法占有的目的，其亏损是由于客观因素造成的，不构成犯罪
B.吴某通过欺诈手段骗得银行贷款，构成贷款诈骗罪
C.由于吴某系个人贷款，因此构成诈骗罪
D.吴某虽无非法占有的目的，但由于给银行造成了重大损失，因此构成骗取贷款罪

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[单选题]财务报表主要包括（）、损益表、现金流量表。
A.资产负债表
B.余额表
C.采购合同
D.库存表

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[单项选择]标准化的期货合约中唯一可变的变量是（）。
A. 交易品种
B. 交割日期
C. 交易价格
D. 每日限价

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[单项选择]标准化的期货合约中唯一可变的变量是（）。A. 交易品种 B. 交割日期 C. 交易价格 D. 每日限价

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[单项选择]标准化的期货合约中唯一可变的变量是（）。
A. 交易品种
B. 交割日期
C. 交易价格
D. 每日限价