设无向图G中顶点数为n，则图G最多拥有边的条数是( ) A．n B．n-1 C．

China’s Winter Olympians have been welcomed home as national heroes from Vancouver, Canada. The country enjoyed its best Winter Games results, collecting 11 medals in Vancouver—including(包括) 5 gold medals.

With flowers and national flags in hands, many people waited at Beijing Airport for hours. Every member was received by a crowd of family members and friends. Hundreds of workers and fans welcomed the athletes and coaches back with color balloons and ribbons.

Wang Meng who won three gold medals in Vancouver Winter Olympics said, “We have shown the Olympic spirit and our Chinese sports spirit at the Vancouver Olympics. We Chinese athletes didn’t fear to meet the strong opponents (对手) and had good team work.”

根据材料内容，选择最佳答案。

小题1: The Winter Olympic Games was held in ________.

A．Japan

B．Canada

C．America

D．Russia小题2: China’s Winter Olympic delegation(代表团) won ________ medals in Vancouver.

A．eleven

B．sixteen

C．five

D．six小题3: How did China’s Winter Olympians come back?

A．By train.

B．By ship.

C．By bus.

D．By plane.小题4: How many gold medals did Wang Meng win in Vancouver?

A．One.

B．Two.

C．Three.

D．Four.小题5: Which of the following is NOT true?

A．It was the best Olympics for China’s Winter Olympic delegation.

B．The athletes’ family members welcomed them at the airport.

C．Vancouver is a country in South America.

D．The Chinese athletes had good team work in Vancourver.

单项选择。

He             the games, but I didn't. [ ]

A. sees

B. watched

C. watches

D. saw

注册会计师B负责Y上市公司20×9年度财务报表审计，对以下业务循环实施控制测试和实质性程序，请代B注册会计师对以下业务循环审计做出正确的专业判断。

以下销货业务的内部控制未进行适当的职责分离的是( )。

A．主营业务收入账由记录应收账款之外的职员登记，并由另一位不负责账簿记录的职员定期核对总账和明细账

B．负责主营业务收入或应收账款的职员不经手货币资金

C．银行存款余额调节表由出纳员负责定期编制

D．负责赊销审批的职员不涉及销货业务的执行

依据《个体工商户验照办法》第7条规定，对个体工商户的验照应当审查以下情况（）。

A.申请人个人资料

B.登记事项执行和变动情况

C.生产经营情况

D.营业执照是否有效

对于呼衰患者的供氧应采取（）疗法。