道德评价的标准（）。 A.美与丑 B.虚与实 C.公与私 D.善与恶 E.人与物

混凝土中的水泥浆，在混凝土硬化前和硬化后起______作用。

A．胶结
B．润滑、填充和胶结
C．润滑和胶结
D．填充和胶结

Once there was a little girl in a village. She spent summers on her grandfather’s farm. The year she was four, she knew some ducks. The ducks were white with orange feet. They lived in a little wooden house near the road. The little girl liked these ducks very much. Every day they walked down the road to the pond（池塘）. Then the ducks went into the water and the little girl sat on the bank（岸） and saw them swimming in the pond. The little girl talked to the ducks and they quacked（嘎嘎叫）back. Then one day the ducks were gone. No one would say anything about them. The little girl was afraid to ask where they were. One night everyone sat down for dinner. The food looked a little like chicken. The girl didn’t want to eat. Can you guess why?

A. eating chicken   B. sitting by the pond

C. living on a farm   D. ducks and a little girl

小题1:The ducks were __________.

A．yellow and orange

B．yellow and white

C．white with orange feet

D．white and black 小题2:When the little girl ________ , the ducks quacked back.

A．saw them swimming

B．sat on the bank

C．walked to the pond

D．talked to them 小题3:At the end of the story, the ducks were probably _______.

A．under the water

B．on the plate (盘子)

C．in the wooden house

D．swimming in the pond 小题4:The little girl didn’t eat because _____________.

A．she wanted nice cakes

B．the food was ducks

C．the food was too hot

D．the plate was empty

金放在水里称，重量减轻1/19；银放在水里称，重量减轻1/10。一块金银合金重770克，放在水里称，共减轻了50克。这块合金含金银各多少克( )代入法

A．380，390

B．475，295

C．530，240

D．570，200

院外急救的原则有___________、____________、____________、_______________、_____________________________、_____________、___________等。

以下各项中，( )属于保税加工货物的特征。

A．进出境时缴纳进出口税费

B．进出境海关现场放行并未结关

C．进出口时提交相关的许可证件

D．海关放行即办结了海关手续