（）从植物体的结构层次来看，一颗种子属于一个__________

阅读下列材料，回答下列问题。 水稻是一种高产的农作物，种植水稻可缓解人口对土地的压力和对粮食的需求。从生阅读下列材料，回答下列问题。 水稻是一种高产的农作物，种植水稻可缓解人口对土地的压力和对粮食的需求。从生态习性来看，水稻喜温喜湿，在生长过程中需要充足的光照和热量，尤其是需要大量的水分。水稻生产过程复杂，……而且不太适合大规模的机械化经营。与其他农作物相比，水稻生产的劳动生产率不高，如要大幅度提高产量，必须加大科技投入。亚洲的主要水稻种植区是世界人口最密集的地区，且多为个体农户经营，人均耕地少。 （）根据水稻的生态习性，分析我国水稻的分布规律，并指出我国发展水稻种植业的优势及意义。 _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________

— How ws your school trip on the frm —It couldn’t be worse! I don’t wnt to tlkbout it.lestB— How ws your school trip on the frm —It couldn’t be worse! I don’t wnt to tlkbout it.lest B．never C．then D．even

A．least

B．never

C．then

D．even

听第 9 段材料,回答第 13 至 16 题。 13 . What is the man doing here A . Taking a business trip. B . Having a holiday alone. C . Visiting his girlfriend. 14 . How much will the man pay for the insurance A . $15. B . $45. C . $135. 15 . Where will the man return the car A . In Los Angeles. B . In San Francisco. C . In New York. 16 . What will the woman do next A . Bring the man the keys. B . Talk about the insurance. C . Bring the man some forms. （）

Read the paragraph from the introduction [paragraphs 1-4]. Andrew Luck shocked the sports world on August 24. He plays for the Indianapolis Colts. He is the team’s quarterback. Which question is answered in this paragraph?

A．What team does Andrew Luck play for

B．What injury did Andrew Luck get

C．How did Andrew Luck shock the sports worl

D．How old is Andrew Luck