我国对长江、黄河的利用、改造的叙述正确的是：

【名词&注释】

复分解反应(double decomposition reaction)、发达地区、经济带(economic belt)、岳阳楼、水力资源(hydropower resources)

[单选题]我国对长江、黄河的利用、改造的叙述正确的是：

A. 长江、黄河治理关键都在中游高原区
B. 长江、黄河的上游水力资源^{(hydropower resources)}都丰富
C. 长江、黄河航运发达地区都在下游
D. 长江、黄河都是我国重要的经济带

查看答案&解析查看所有试题

学习资料：

[单选题]选出下列加点词意思、用法相同的一项。（2分）

A. 齐人固善盗乎/吾尝疑乎是
B. 吾欲辱之/辍耕之垄上
C. 乃喟然叹曰/乃重修岳阳楼
D. 故撞之/而两狼之并驱如故

[单选题]50．

A. hungry
B. free
C. tired
D. busy

[单选题]12．

A. in
B. on
C. under
D. behind

[单选题]3．—Let's play soccer．—No，it's _________'Let’s watch TV．

A. interesting
B. fun
C. boring
D. good

[单选题]29． Ann didn't go back home because__________

A. she didn't want to
B. she was too busy to go home
C. she didn’t miss her father
D. she had to look for a job

[单选题]下列反应中不属于复分解反应的是（   ） 

A. H2SO4+Ca(OH)2=CaSO4↓ +2H2O
B. H2SO4+BaCl2=BaSO4↓+2HCl
C. 2HCl+Fe=FeCl2+H2↑
D. 2HCl+CaCO3=CaCl2+CO2↑+H2O

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