从手中竖直向下抛出的小球，与水平地板碰撞后又弹回到手中，小球与水平地板碰撞时间极

Two men are walking in the park. One is Mr Brown , a worker, the other is Mr Black. Mr Brown is going to a chair. It is by the road. Mr Black is after him. Mr Brown finds Mr Black. Now Mr Black begins to walk faster(更快). Because he wants to get to the chair before Mr Black. Now Mr Black begins to walk faster because he also wants to get to the chair first. Then they both run .Mr Black runs faster than (比) Mr Brown. So he gets to the chair first and sits down on it. Mr Brown runs after Mr Black. When he gets to the chair. He sees Mr Black sitting on it. He is sorry to show a notice(通知)with the words“Wet Paint(油漆未干)”to Mr Black . Now Mr Black knows why Mr Brown is going to the chair.

小题1:Where are Mr Brown and Mr Black?

A．In the garden

B．On the chair

C．In the park

D．Beside the road小题2:What are they doing? They are________

A．talking

B．walking to the chair

C．holding a notice

D．sitting on a chair小题3:_________ runs  after_________at first

A．Mr Black ,Mr Brown

B．The worker, Mr Brown

C．Mr Brown ,Mr Black

D．Mr Brown, The worker小题4:________get to chair first.

A．The worker

B．Mr Brown

C．Mr Black

D．A strange(陌生人)小题5:Mr Brown goes to the chair because__________.

A．he wants to sit there

B．he wants to talk to Mr Black on the chair

C．It is his chair

D．he wants to tell people ”Wet Paint”

以下各项对于风险管理阐述不正确的是( )。

A．风险不可能有所收益
B．一个工程项目在实施中的风险往往是客观存在的。项目各方都可能遇到风险，也都应该合理地承担一部分风险
C．风险贯穿在项目实施的全过程之中，通过风险管理有的风险可以减少或不造成损失，而在项目实施过程中又可能出现新的风险，因而风险管理应该贯穿在项目实施的全过程
D．无论合同哪一方都不愿把自己的效益建立在投机风险上，而只是在管理风险过程中应该研究利用风险

每个翼支付帐户单日还款次数不超过（）次。

A.3

B.5

C.7

D.10

下列哪些财产做抵押，抵押权自抵押合同生效时即设立。未经登记，不得对抗善意第三人（）

A.半成品

B.正在建造的船舶

C.汽车

D.正在建造的建筑物

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