小题1:He tried his best to find a way to s          the problem.

小题2:Ten players will take part in the final to c          for the gold medal.

小题3:Thanks to the soldiers, the villagers s          the flood.

小题4:The family began to d          the Christmas tree with glass balls and lights a week ago.

小题5:Tony was a          into the chess club last year.

小题6:As a r          (结果), I totally changed my shape.

小题7:There is no            (疑惑) that our life will become better and better in the future.

小题8:He set a            (目标) for himself of exercising at least three times a week.

小题9:There are different            (类型) of blood, as you know.

小题10:In many fields of our life, plastics has been used to            (取代) wood and iron.

《荀子·儒效篇》记载：“（周公）兼制天下，立七十一国，姬姓独居五十三人。”可见同姓亲族是西周分封的主体。这些同姓亲族受封时，周王会授予他们 [ ]

A．封号和耕牛

B．土地和耕牛

C．土地和人口

D．人口和铁犁