1 How to dispose the nuclear waste correctly is an urgent issue for politician and scientist. . Y& x) n7 K8 U, g. ^7 W: T! F% m
2 It is a controversial topic about when should people is required to retire all the time.5 z9 n* e$ s7 e ]0 |
3 The formation which was formed by current globalization will enlarge the difference between rich and poor day by day.
4 i1 \# b# x( _. {3 L4 when the science and technology make our life more convenient and also make us more awkward.
n, t0 Q# Y# G! G# }5 The purpose of WTO is to increase the global trade by reducing the limitation between each other ' y$ z, c: w$ b& p g3 v
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