深度小于1000m,油气生成阶段为有机质生物化学生气阶段,其主19、石油有机生成说地核心认为石油和天然气起源于()。
参考答案:生物物质
用所给词的适当形式填空(10分)
小题1:___________, life on Mars will be better in many ways.(hope)
小题2:Tomorrow is Mr. Wang’s_________(40) birthday but he looks in his thirties.
小题3:They have a lively ____________ (discuss)after the scientist’s excellent talk .
小题4:_____________ (compare)with the cars made in Japan, I like the one made in Germany better.
小题5:The big prize belongs to one of the most famous_____________(invent).
小题6:I don’t think man will have robots______________(control) computers in the future.
小题7:Are you certain meals in the form of pills are even___________(taste)?
小题8:How many___________( spacecraft) have been sent up to the space?
小题9:They will have to wear special boots ______________(prevent) people jumping too high,.
小题10:When I got home, the coins_______________ (spread) all over the floor.
关于颅脑外伤的叙述,错误的是()
A.我过的年发病率为55.4/10万人口
B.女性发病多于男性
C.最常发生于15~24岁以及75岁以上
D.原发的损伤是在创伤突发时的组织损伤
E.继发的损伤是原发的损伤后所发生的生物化学或生理损害