t says the drain is symptomatic of a maths crisis that has its origins in the classroom.
But that had more to do with the collapse of investment in America than with the rise in China
The pact of 2000 owed more to Nelson Mandela’s patient mediation than to the Burundian elite’s own desire for peace
解决问题
the world woke up to the issue
Different countries have adopted a range of approaches to discourage the use of plastic bags in an attempt to cut down on the number of bags finding their way into the environment
the government has implemented new regulations that will see only thicker, more durable plastic bags produced.
Recycling your plastic shopping bags is one of the most obvious courses of action
Given the costs and inconvenience associated with recycling, and the fact that reuse only delays the plastic entering the environment, the most sensible option is to cut down on the number of plastic bags that you use, or stop using them altogether.
There are a range of alternatives to plastic bags
The seriousness of any of these problems will depend largely on the length and severity of the war, and on how quickly aid agencies can get in afterwards.
Rather than fight through the courts park by park, reserve by reserve, theGovernment has opted to negotiate with them.
Faced with those perennial challenges renewables like solar
power are becoming more viable options, particularly in smaller, more remote communties.
坏的影响
A rise in interest rates would severely retard economic growth.(延缓)
High winds have hindered firefighters in their efforts to put out the blaze(阻)
irreversible destruction of rainforests
Storms hampered the American-led advance on the city, bringing some convoys to a standstill(to prevent someone doing something easily)
They were warned of the ecological catastrophe to come( sudden event that causes very great trouble or destruction)
The emigration of scientists is a catastrophe for the country(a bad situation)