缺词填空
The USA has a much bigger population （人口）than Australia, and A_1_ cities are m_2_ crowded than Australian o_3_. There are not so many mountains in Australia as in the USA. Both countries have
deserts and beautiful b_4_. But America has many more rivers than Australia. The northern and central
parts of the USA h_5_ much more snow in winter than a_6_ in Australia and generally these two areas
have a colder w_7_ than Australia does. Australia is in the southern hemisphere（半球） and doesn’t
have its winter at the same time a_8_ countries in the northern hemisphere. Most people in these countries s_9_ the same language ---English, but their accents(口音) are very d_10_.
