1.互联网是巴双刃剑3 x* }# f+ f i; c$ Y0 \2 T3 W
the internet is a double-edged sword.$ V% q% ~: C7 e2 w
2.一些尖锐的问题出现了
" }9 I* H5 f! e2 \8 dsome sharp problems have been appearing.# T& v/ V# }- x, M" N+ t
3.当说道物种多样性,澳大利亚(Australia) 是一个典型的例子 r) d5 I2 s+ B! w$ M; v5 c
australia is a typical sample when talking about the diversity of plants.
0 e" X& _: P$ U7 |; g' ~! }! z4.21世纪需要我们用先进的知识武装自己
1 F* X; {6 Q0 Jwe need equip ourselves with advancing knowledge in 21 century.
* J4 W ]. o, J n: _4 Z5.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
, `& |6 R& e: M6 mto relieve the traffic jam, the government should take heavy tax to the privite cars or develop the common traffic. |