—Thanks a lot.
A:suggestions
B:problems
C:ideas
下列选项中不属于宪法规定的内容的是( )。
如图是科学工作者对我国北方地区森林、草地和荒漠地面积变化的调查结果.这对分析说明我国今春以来华北要区多次出现的沙尘暴天气有很大帮助.
(1)请根据调查结果,分析植被和沙尘暴形成的关系.____
(2)请根据生态平衡原理提出治理沙尘暴的措施.____.
—You look so tired. What's the matter?—I was so busy that I didn't go to bed 12 o'clock last night.