【简答题】The Great Depression spread from the US to the rest of the capitalist world, yet it affected the Americans the most. It gave【66】to the fear that such catastrophes would【67】(occur)or even that the Amer...
【简答题】The wheel was one of man’s first inventions and yet it has also proved one of the most useful. So wide and varied are the uses of the wheels, in machines and vehicles of all kinds, that it is difficul...
【简答题】Green is an important color in nature . It is the color of grass and the leaves on trees . It is also the color of most growing plants . Sometimes , the word “ green ” means young , fresh and growing ...