根据元素周期表，判断下列元素中不属于主族元素的是[ ] A．钙 B．铁 C．磷

下列货币制度属于金本位制的有（ ）

A．平行本位制

B．跛行本位制

C．金币本位制

D．金块本位制

E．金汇兑本位制

北洋政府时期制定的一系列宪法性文件包括（）。

A.《中华民国临时约法》

B.《中华民国约法》（“袁记约法”）

C.《中华民国宪法》（贿选宪法）

D.《中华民国宪法草案》（天坛宪草）

E.《钦定宪法大纲》

茂林县人民法院对盛唐公司诉济银公司购销合同纠纷作出一审判决，认定双方所签订的合同为有效合同，济银公司败诉。在判决向双方当事人送达后的第二天，茂林县人民法院立即就发现了原判决有错误，盛唐公司与济银公司签订的购销合同实际上是一份无效合同。在此情况下，茂林县人民法院应如何处理()

A．立即作出裁定，撤销原判决，作出新判决

B．等待当事人是否上诉，当事人在上诉期内均未上诉的，由茂林县人民法院按照普通程序处理

C．当事人在上诉期内上诉的，茂林县人民法院可以提出原判决有错误的意见，报送二审人民法院

D．当事人在上诉期内上诉的，茂林县人民法院即将案卷材料报送二审人民法院，对一审判决不作任何处理

Michael Jordan was born on February 17, 1963. In 1984 he joined the NBA’s Chicago Bull. His wonderful performance with leaping ability earned him the nickname “Air Jordan”. In 1991, he won his first NBA championship with the Bulls, and followed that achievement with titles in 1992 and1993.

Because of some personal reasons, he left the team in 1993, he returned to the Bulls in 1995. Then, he got three additional championships in the following three years. Jordan retired for a second time in 1999, but he returned for two more NBA seasons in 2001.

In Jordan’s career, he was awarded with different titles and reputations, which included 5 MVP awards, ten All-NBA First Team designations, nine All-defensive First Team honors, fourteen NBA All-Star appearances and so on.

Jordan played on two Olympic gold medal-winning American basketball teams. As a college player he participated, and won the gold, in the 1984 Summer Olympics. Jordan led the team in scoring averaging 17.1 points per game for the tournament. In the 1992 Summer Olympics he was a member of the star-studded team that included Magic Johnson, Larry Bird, and David Robinson and was known as "Dream Team". Playing limited minutes due to the frequent blowouts, Jordan averaged 12.7 points per game, finishing fourth on the team in scoring. The team won the gold medal, restoring the United States to the top of the basketball world.

Michael Jordan is the greatest basketball player of all time. He has gained tremendous popularity throughout the world. People of all ages and from all nationalities have gathered to watch him play. He is a hero among basketball spectators.

小题1:What earned Michael Jordan the nickname "Air Jordan"?

(no more than 6 words)

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小题2:How many times was he awarded with the title of Most Valuable Player?

(no more than 2 words)

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小题3:What was the Olympic gold medal-winning American basketball team called in 1992?

(no more than 3 words)

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小题4:How does the writer comment on Michael Jordan? ( no more than 10 words)

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简述创业与交易和竞争的关系及对社会发展的作用？