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【单选题】
如图所示,弹簧的上端固定一块木板,小虎同学从地面跳上木板后,向下压缩弹簧的过程中,他的重力势能、弹簧的弹性势能变化情况是 [     ]
A.
重力势能减小,弹性势能增大
B.
重力势能增大,弹性势能减小
C.
重力势能增大,弹性势能增大
D.
重力势能减小,弹性势能减小
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参考答案:
举一反三
【判断题】寻租活动是指人类社会中生产性的追求经济利益活动,或者说是指那种维护既得的经济利益或是对既得利益进行再分配的生产性活动。
A.
正确
B.
错误
【单选题】While no woman has been President of the United States, yet the world does have several thousand years of experience with female leaders, and I have to acknowledge it: their historical record puts men...
A.
Women have had a better record than men throughout history.
B.
Women have far exceeded men in leadership throughout history.
C.
Women have made men ashamed of their own historical record.
D.
Women have far exceeded men in recording experience throughout history.
【单选题】If you click Customize, the ( ) tree appears.
A.
License
B.
retrieve
C.
Freeware
D.
feature
E.
templates
【单选题】关于发行企业债券募集资金的用途,下列说法正确的有( )。I.不得用于房地产买卖、股票买卖 II.不得用于期货交易III.不得用于弥补亏损和非生产性支出 IV.不得用于与本企业生产经营无关的风险性投资
A.
Ⅰ、Ⅱ、Ⅲ
B.
Ⅰ、Ⅱ、Ⅳ
C.
Ⅱ、Ⅲ、Ⅳ
D.
Ⅰ、Ⅱ、Ⅲ、Ⅳ
【单选题】President Bush's visit was planned to ______ 30th anniversary of President Nixon's visit to China.
A.
depend on
B.
adhere to
C.
coincide with
D.
cling to
【单选题】单子叶植物根横切面中央为 ( )
A.
辐射型维管束
B.
外韧型维管束
C.
网状中柱
D.
髓部
E.
木质部
【单选题】下列哪种直方图可以判断出现了不合格品( )
A.
理想型直方图
B.
能力富裕型直方图
C.
能力不足型直方图
D.
偏心型直方图
【单选题】听力原文: In today's business news, it has been reported that Jane Parsons, president of the Star Company, will retire next year. Ms. Parsons' skill and corporate connections helped to build the Star Comp...
A.
Company president
B.
Consultant
C.
News announcer
D.
Employment counselor
【单选题】下列关于中小企业私募债的特征的说法中,正确的有 Ⅰ、不用行政许可,直接由证券公司自己做方案,就可以推向市场 Ⅱ、募集资金用途没有任何限制,非常灵活 Ⅲ、中小企业私募债发行主体为中小微企业,发行资质要求低,发行条件宽松 Ⅳ、募集资金可以偿还贷款,也可补充企业流动资金Ⅴ、企业私募债在流动性土高于、在债券违约风险上低于高评级债券
A.
Ⅰ、Ⅱ
B.
Ⅱ、Ⅳ
C.
Ⅰ、Ⅱ、Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ、Ⅳ
【单选题】为了维护既得利益,为了取得垄断利益,或对既得利益进行再分配的各种非生产性活动是指( )
A.
政府干预
B.
税收
C.
转移支付
D.
寻租
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