2008年是我国改革开放30周年,在这30年中从总体上看,我国宏观经济运行先后出现两次经济的巨大冲击,一是1989年的“硬着陆”;另一是 1997年的亚洲金
材料四 全球气候变暖是一种“自然现象”。进入上世纪80年代后,全球气温明显上升。全球气候变暖的后果,会使地球冰川和冻土消融,海平面上升等
The other day I heard a few local musicians talking: “I hate all the terrible pianos in this town. I hate that rubbish they play on the radio. They can’t even understand a bit of music.” “I
20世纪80年代以来,我国工业化持续迅速发展,对其发展原因归纳最准确的是( ) ①以经济建设为中心 ②对外开放 ③深化经济体制改革
—Mr . Smith was really helpful when you were in financial difficulty during those years. —Definitely . I can never appreciate his kindness . A. well
一质量为M的平板小车,在光滑水平面上以速度v0匀速前进,如果在小车的前缘轻轻地放上一质量为m的小木块(不计放小木块时对小车运动的影响),如图1