2009年，某省全年粮食作物播种面积253.85万公顷，比上年增长1.5%；糖蔗种植

简述成本加和法及其应用的现实性和局限性。

Four friends live in a small town. Their names are Cook, Miller, Smith, and Carter. They have different jobs. One is a policeman, one is a carpenter（木匠）, one is a farmer, and one is a doctor. One day Cook’s son broke（折断） his right leg, and Cook took him to the doctor. The doctor’s sister is Smith’s wife. The farmer isn’t married(结婚). He has a lot of good hens. Miller always buys eggs from the farmer. The policeman sees Smith every day because they are neighbors（邻居）.

小题1:Who is the farmer?

A．Cook

B．Smith

C．Carter

D．Miller小题2:Cook’s son is taken to _______.

A．Miller

B．Smith

C．Smith’s wife

D．Carter小题3: If you need, you can get ______ to repair (修理)your desk.

A．Cook

B．Smith

C．Miller

D．Carter小题4:Smith’s neighbor is ________.

A．the doctor’s wife

B．Smith

C．Carter

D．Cook小题5:Who is a policeman?

A．Cook

B．Smith

C．Miller

D．Cart

下列劳动者心理健康的特征中，心理健康很重要的标志是( )。

A．智力正常
B．健全的情绪
C．行为协调
D．行为反应适度

高压轮胎充气压力在450KP——700KP之间。

1919年，鲁迅在《药》发表后说：“《药》描写群众的愚昧和革命者的悲哀；或者说，因群众的愚昧而来的革命者的悲哀；更直接地说，革命者为愚昧的群众奋斗而牺牲了，愚昧的群众并不知道这牺牲为的是谁……”这说明该作品的真正主题是（）。

A.抨击封建统治的愚民政策

B.号召实现真正的民主政治

C.揭露中国社会的愚昧落后

D.呼唤广泛深刻的思想解放