若z=2-bi2+i(b∈R)为纯虚数,则b的值为( ) A.-1 B.1 C.-2D

题型:选择题

问题:

若z=
2-bi
2+i
(b∈R)为纯虚数,则b的值为(  )
A.-1B.1C.-2D.4
考点:复数的概念及几何意义复数的四则运算
题型:选择题

假定工业部门对农业部门的直接消耗系数为0.15,说明工业部门每生产单位产品消耗农产品的数量为()。

题型:选择题

One potential problem with allowances is that children’s responsible behavior can become about earning the allowance rather than the intrinsic(固有的)value of their family responsibilities. For example, if you pay your children for taking out the rubbish, they see this chore (家务事) as a job that they should be rewarded for instead of a responsibility they must fulfill as part of the family. But giving children an allowance for weekly chores is not necessarily bad. You are rewarding them for fulfilling their family responsibilities, but it is not for a specific act. It is an appreciation of their commitment to your family values. You are also conveying another important message that their actions have consequences: if they do good things, good things happen. They also learn a lesson about the market economy, namely that work is rewarded.

Allowances can also be used as punishment and to teach children lessons about family values. For example, if your children join a group of kids smashing (砸碎) pumpkins on Halloween, a part of a reasonable punishment might be to require them to pay the families out of their allowance to replace the pumpkins. Thus, your children learn that bad behavior has financial consequences. Meanwhile, by relating the punishment to the misdeed, you ensure that your children see the connection and learn the value lesson.

How much allowance should you pay your children? The precise amount depends on your family’s financial situation, the cost of living and your children’s needs. Children can start to earn a weekly allowance as early as 5 years of age. An increase of $ 1 per week for each year of your children’s lives is realistic until they reach their mid-teens. When they begin to drive and date, you can calculate their expenses and establish a reasonable allowance that covers their needs.

小题1:The first paragraph mainly tells us that giving allowance to children may____________.

A.lead to children’s preference for money rather than anything else

B.lead to children’s preference for earning money on their own

C.cause the problem that children value money more than responsibilities

D.cause children to earn money instead of going to school小题2:When your children join a group of kids smashing pumpkins on Halloween, ___________.

A.you should give them some allowances to pay for the pumpkins

B.they should be rid of their opportunity to celebrate Halloween

C.you should ensure your children see the connection with their lessons

D.they should face the consequence of losing their own money小题3:It can be inferred from the passage that_____________.

A.the author doesn’t want to give any tips on the allowance amount

B.allowances given to children of different ages may vary

C.children under 6 can’t be given any allowance

D.the allowance amount grows depending on the amount other children receive

题型:选择题

患儿,1岁半。双颊、唇、眼黏膜突发成簇针头大小透明小水疱及溃疡,伴啼哭、流涎、发烧。

该病病因()

A.白色念珠菌感染

B.病毒感染

C.细菌感染

D.遗传因素

E.营养不良

题型:选择题

某银行从事一项融资租赁业务(租赁期限10年),各纳税期应纳营业税额的计算公式不正确的是( )。(假设1年为360天,每月为30天)

A.本期营业额=(应收的全部价款和价外费用(不包括残值)-实际成本)×(30÷360)

B.本期营业额=(应收的全部价款和价外费用(包括残值)-实际成本)×(30÷3600)

C.本期营业额=(应收的全部价款和价外费用(不包括残值)-实际成本)×(90÷3600)

D.本期营业额=(应收的全部价款和价外费用(包括残值)-实际成本)×(90÷3600)

E.本期营业额=(应收的全部价款和价外费用(包括残值)-实际成本)×(90÷360)

题型:选择题

下列情形可能表明重大非常规交易被用于构造虚假财务报告的有()。

A、交易的形式显得过于复杂

B、管理层更强调采用某种特定会计处理的需要,而不是交易的经济实质

C、交易涉及不纳入合并范围的关联方(包括特殊目的实体),或未经治理层适当审核与批准

D、交易涉及以往未能识别出的关联方,或涉及在没有被审计单位帮助的情况下不具备物质基础或财务能力完成交易的第三方

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