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【单选题】
Miguel knocked on one of the doors. When no one answered, he pushed the door open. He immediately realized his mistake. He'd blundered into another dressing room. Miguel knew he should leave the room immediately, but he couldn't help staring at the guy in the room. He seemed to be taking to himself. No one in the room was talking back. Yet there was someone else there. A girl. Most of her was hidden behind the speaker's broad-shouldered body. Miguel saw a flash of slender hands reaching up, fussing with the front of the guy's light brown hair. 'Glenn, hold still!' the girl's voice suddenly cut through the speaker's monologue, 'If you don't stop wriggling. I might burn you with this curling iron!' Miguel's blood turned to boiling acid. Leanna! She hadn't wasted any time getting a new boyfriend. Miguel had to see what this loser looked like. 'Excuse me,' Miguel said, walking toward the couple. 'Can you tell me the supply closet?' 'This isn't the supply closet,' Glenn said arrogantly, 'Get lost. ' 'But I'm already lost,' Miguel said cheerfully. He was ignoring Glenn now and watching Leanna for some sort of reaction. Her face was totally drained of color, and her almond eyes were so wide, they almost seemed round. 'What are you doing here?' Leanna gasped. 'Looking for an extension cord,' Miguel replied. He pointed to the white cord connecting the curling iron to the outlet. 'How about that one?' 'No! That's mine,' Glenn said, 'Leanna, you only put one wave in my hair. ' 'Hey, Leanna, you never did my hair when we were dating,' Miguel said. He leaned against the wall, almost in Leanna's face, and ruffled his bangs with his fingers. Miguel wasn't sure what he was trying to prove. He couldn't stand seeing Leanna so close to Glenn, touching his hair. If he could goad Leanna into losing her temper, Miguel hoped he'd be able to hate her again, instead of wanting her back. 'Get out of here,' Leanna said coldly. 'You used to go out with this janitor?' Glenn asked Leanna. 'I'm not a janitor,' Miguel said, 'I'm helping Scott with the lights. ' 'Yeah?' Glenn turned to Miguel, 'Make sure you keep that spotlight on me, boy. I'm the star of this show. ' 'You may be the star,' Miguel said, his voice low, 'but I'm not your boy. ' 'I can say whatever I want,' Glenn shot back, 'My parents pay taxes, but you immigrants sneak into this country illegally and take jobs away from Americans. Do you want me to call Immigration?' Leanna suddenly stepped between them. 'I can't believe you, Glenn. Miguel's not an immigrant. His family came here from the Philippines, and—' Glenn's nostrils flared, 'These foreigners are taking over the country. It makes me sick!' 'I'm a Filipino and I'm proud of it !' Leanna, hands on her hips, was shouting in Glenn's face, 'Do I make you sick, Glenn?' 'Of course not !' Glenn looked shocked, 'You were born here. I'm talking about people who come from other countries. Most of them go on welfare and they run down the neighborhoods and commit crimes. Why should they have the same rights as American citizens ?' 'Because we're human beings,' Leanna said. Miguel noticed that Leanna had put herself in the same category. She wasn't trying to impress him. She was speaking from the heart. 'It's not where you come from that matters,' Leanna told Glenn, 'It's what kind of person you are inside. Miguel's honest and hardworking, but you're a conceited jerk!' 'What's going on in here?' a new voice demanded. The agent, Tyrone Ashby, appeared in the doorway. 'Five minutes to curtain time! Glenn, get out there!' 'I'm outta here, all right,' Glenn said,
A.
honesty, diligence and the same color in skin
B.
sense of humor and his family
C.
honesty and his money
D.
broad and profound knowledge
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【简答题】用定义验证下列各集合是凸集: (1)S={(x1,x2)|x1+2x2≥1,x1—x2≥1); (2)S={(x1,x2)|x2≥|x1|}; (3)S={(x1,x2)|x12+x22≤10}.
【单选题】若P(X≤x2)=0.6,P(X≥x1)=0.7,其中x2>x1,则(x1≤X≤x2)的值为( )。
A.
0.6
B.
0.7
C.
0.1
D.
0.3
【单选题】已知函数g(x)在区间(-∞,+∞)内为减函数,x1、x2∈(-∞,+∞),且x1>x2,那么以下正确的是()
A.
g(x1)>g(x2)
B.
g(x1)≥g(x2)
C.
g(x1)
D.
g(x1)=g(x2)
【单选题】账户一般不应包括()要素
A.
账户名称
B.
日期和摘要
C.
增加或减少金额
D.
会计分录
E.
凭证号数
【单选题】X1=+0111100B,X2=-0001110E,则[X1+X2]补=( )。
A.
00111100B
B.
11110010B
C.
00101110B
D.
100101110B
【单选题】资金账户管理的一般规定不包括()。
A.
营业部办理经纪业务,必须为客户开立资金账户和与资金账户对应的证券账户
B.
客户开立资金账户时必须签署《证券交易委托代理协议书》(一式两份),一份交客户保存,一份由营业部存档
C.
客户开立资金账户,必须持有效身份证明文件或法人合法证件,以客户本人名义开立,不得受理法人以个人名义、个人以法人名义开立账户
D.
营业部必须对客户的证券账户复印件、有效身份证明文件复印件、所签署的各类协议书、风险揭示书、业务申请书(表)、代理人身份证复印件等要求留存的各类资料与《证券交易委托代理协议书》一并归档,按资金账号进行排序,妥善保管,要配备专库并,由专人管理
【单选题】两个人最稳定的恋爱关系是?
A.
互补
B.
相识性
C.
谦让
D.
相互平等
【单选题】在仲裁过程中,仲裁庭不受任何行政机关、社会团体和个人的干涉,也不受其他仲裁机构的干涉体现出仲裁的( )。
A.
独立性
B.
保密性
C.
专业性
D.
自愿性
【单选题】资金账户管理的一般规定不包括( ).
A.
营业部办理经纪业务,必须为客户开立资金账户和与资金账户对应的证券账户
B.
客户开立资金账户,必须持有效身份证明文件或法人合法证件,以客户本人名义开立,不得受理法人以个人名义、个人以法人名义开立账户
C.
营业部必须对客户的证券账户复印件、有效身份证明文件复印件、所签署的各类协议书、风险揭示书、业务申请书(表)、代理人身份证复印件等要求留存的各类资料与《证券交易委托代理协议书》一并归档,按资金账号进行排序,妥善保管,要配备专库, 并由专人管理
D.
客户开立资金账户时必须签署《证券交易委托代理协议书》(一式两份),一份交客户保存,一份由营业部存档
【简答题】设f(x1,x2)=10—2(x2-x12)2, S={(x1,x2)|一11≤x1≤1,一1≤x2≤1}, f(x1,x2)是否为S上的凸函数?
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