小题1:Help _▲_ (you) to anything you like, kids.

小题2:. Kate is looking for some _▲_ (far) information about Li Na on the Internet.

小题3: Itchy Feet fell _▲_ (sleep) shortly after he lay down.

小题4:On his_▲_ (40) birthday , he swam across the channel.

小题5: His mother’s death brings him _▲_ (sad)because he likes her very much.

小题6:Last night,the doctor _▲_ ( 手术)on the 11-year-old boy.

小题7:Eating less is not a healthy way to _▲_ (减少)your weight．

小题8:It’s about five_▲_ (分钟)walk from here to the new supermarket．

小题9:The audience shouted and cheered _▲_ (兴奋).

小题10:Many people in poor countries have no money for_▲_ ( 医学) treatment.

西欧粮食收获量与播种量之比，据罗马时代《克洛米拉农书》记载为4—5倍，据十三世纪英国的《亨利农书》记载为3倍；而从《齐民要术》看，我国六世纪粟的收获量为播种量的24—200倍，麦类则为44—200倍。这主要是因为              

A．中国古代科学技术领先世界

B．中国古代农业的精耕细作技术发达

C．中国古代粮食的单位面积产量居世界领先地位

D．中国古代的铁犁牛耕技术发达