1.互联网是把双刃剑) _$ u7 ^; j. ?# v
Interner is a double-edged sword.
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* V) a% w7 G7 c2 u! v5 b2.一些尖锐的问题出现了; p. u2 K# G% f: |$ R% X8 p, Q1 D
some intense problems are happened.
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% B. |9 \- a" B9 i6 `3.当说道物种多样性,澳大利亚(Australia) 是一个典型的例子, u- p" s1 m8 F" X& f! s! y
when refered biological diversity, Australia is a typical case.
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4.21世纪需要我们用先进的知识武装自己
+ r, R; H' R7 r/ b/ I$ o# ] 21 century need us equiped ourselves with andvanced knowledge
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5.为了缓解交通拥堵,政府要么对私家车课以重税,要么发展公共交通
+ U+ ~! X/ P. h1 X, p2 D4 ^, W for relieve traffic jam, the government will collect heavy taxes from private car, or develop the public transit. |