写出下列变化的化学方程式,并注明反应①、②的反应类型. ①______, ②__

题型:问答题

问题:

写出下列变化的化学方程式,并注明反应①、②的反应类型.

①______,

②______,

③______,

④______.

考点:有机物分子的空间构型
题型:问答题

Middle born children will tell you that they usually didn’t feel all that special while growing up. The first born had his spot-carrier of the family banner and responsible for everything. The last born had his comfy little role, but the middle born had no distinctive place to call his own.

Middle-borns just seem to be easily overlooked, and maybe that’s why there are so few pictures of them in the family photo album. There may be hundreds, seemingly thousands, of pictures of the firstborn. For some strange reason, however, which I have confirmed by polling middle-born children around the world, there are seldom many pictures of the middle child, and what photos there are have him included with the others -- squeezed again between the older sibling and the younger sibling.

Another thing that can be said of many middle-born children is that they typically place great importance on their peer group. The middle child is well known for going outside the home to make friends faster than anybody else in the family. When a child feels like a fifth wheel at home, friends become very important; as a result, many middle children (but not all, of course) tend to be the social lions of the family. While firstborns, typically, have fewer friends, middle children often have many.

Middle children have a propensity to leave home first and live farther away from the family than anyone else. I observed a dramatic illustration of this tendency while I was a guest on Oprah Winfrey’s show. The subject that day was sibling rivalry. Three charming young women, all sisters, were among the guests, and we quickly learned that the firstborn and the last born were residents of the Eastern state where they had grown up. They had settled down near their parents and other family members. But the middle child had moved to the West Coast.

I suppose she could have gotten another two thousand miles farther away by moving to Hawaii, but her point was still well made. Middle children are the ones who will most often physically distance themselves from the rest of the family. It’s not necessarily because they’re on the outs with everyone else. They simply !ike to do their own thing, make their own friends, and live their own lives.

All of this is not to say that middle children totally ignore their siblings or the rest of the family. one common characteristic of the middle child is that she is a good mediator or negotiator. She comes naturally into this role because she’s often right in the middle, between big brother and little sister, whatever the case may be. And because she can’t have Mom or Dad all to herself, she learns the fine art of compromise. Obviously, these skills are assets in adult life, and middle children often become the best adjusted adults in the family.

According to the passage, middle children are likely to ().

A.distance themselves from the rest of the family

B.outdo their siblings in adult life

C.become good diplomatic mediators or negotiators

D.learn the fine art of compromise from their parents

题型:问答题

易飞7.0系统中,超限放行不能在哪些作业上进行管控()?

A.客户订单

B.订单变更单

C.销退单

D.销货单

题型:问答题

( )适用于目前还款能力较强,但预期收入将减少,或者目前经济很宽裕的人,如中年人或未婚的白领人士。

A.等额本金还款法

B.等额本息还款法

C.等额递减还款法

D.等额递增还款法

题型:问答题

会展产品及其构成要素。

题型:问答题

辽宁瓦房店轴承制造公司与越南某公司签订了出口轴承合同,该合同规定用托盘包装,5000个/托盘,外贸跟单员小俞应选择的正确托盘材料是()。

A.纸质材料

B.铁质材料

C.瓷质材料

D.木质材料

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