• 2022-06-06
    According to the data about the air pollutions in the first quarter in 2015, the average of PM 2.5 in _______ cities in China is about 66, nearly twice than the standard—35, among which _______ cities are more than double the standard.

  • 367; 141

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    • 0

      Worldwide, more people live in cities than out of them.

    • 1

      According to the statistics, among the homeless in New York there were ______. A: more people in a families than single persons B: about six thousand families C: 3 children in a family D: more families with two parents than one

    • 2

      The Great Wall of China is about twice the ______ (long) of Route 66 of the USA.

    • 3

      Which sentence is NOT true about a standard supporting paragraph?

    • 4

      Which one is wrong, about the geography of America and China?( )  A: China has more railways than America. B: America has two neighbour countries, Canada and Mexico. C: Both America and China's climates vary greatly. D: America's land is less than China's, but water in America is more than China.