北方干旱地区和盐碱土地区均适于()耕,但砂土地苗圃适于()耕。

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问题:

北方干旱地区和盐碱土地区均适于()耕,但砂土地苗圃适于()耕。

考点:林学种苗学种苗学题库
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下列说法正确的是(  )

A.稀释浓硫酸时,将浓硫酸沿着器壁慢慢地注入水里,并不断搅动

B.氧气是一种重要的燃料,所以没有氧气就没有燃烧

C.缓慢氧化可能引起自燃,因此缓慢氧化都是有害的

D.降低可燃物的着火点,可以有效防止火灾的发生

题型:填空题

小题1:— Will some people live on the moon in the future?

—_________, _________ _________ (肯定回答)

小题2:People will use some paper money in the future. (否定句)

People _________ use _________ paper money in the future.

小题3:We were listening to the teacher carefully when she came in.(对划线部分提问)

_________ _________ you _________ to the teacher carefully?

小题4:He got up after his mother came back. (改为同义句)

He_________ get up_________ his mother came back.   

小题5:Doctor said he could stand up after practicing more.(改为同义句)

Doctor said he ________ ________ ________ stand up after practicing more.

小题6:Why don’t you give it back to your friend on time?(改为同义句)

Why not ________ it ________ your friend on time?

题型:填空题

决定条形基础断面形式的最主要因素为()。

A.地基承载力大小 

B.建筑物所处地区 

C.建筑面积大小 

D.基础所用材料性能

题型:填空题

妊娠子宫逐渐恢复至未孕状态的过程称为子宫复旧,正确的是()

A.子宫复旧只是肌细胞缩小,不是肌细胞数减少

B.产后1周子宫缩小至妊娠12周大小

C.产后3个月子宫复旧到非孕期大小

D.子宫重量在产后1周为500g

E.产后8周胎盘附着部位全部修复

题型:填空题

影响葡萄酒质量的自然因素有哪些?

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