喔 对了 我现在学的ABC天丅口语的导师和我们说过，就是想学会英语很简单的！必然要拥有一个好的研习环境跟熟练口语对象 最关键就是外教水平 口语标准才可以 不间断经常口语沟通 一对一针对性教学才能有非常.好.的进步效率。课程结束后还要重复温习课程录音音频，好巩固知识点；然后要是真的没有人可以指导的状况下，可以到可可或爱思拿到课余学习材料研习 多问多听很快的语境就培养起来 学习效果肯定会快速显着的；Air suality in the capital has deteriorated because of the heavy fog. Experts are worried about the particulate matter in the air, wch is in gher concentrations in North Cna because the heavy fog may lead to various diseases including lung infections and cancer. Even if Cna can manage to keep the country’s smoking rate flat, the lung cancer rate is expected to keep rising for 0 or 0 years and worsening air pollution could be the major culprit. Zhong Nanshan, a respiratory expert and academician of the Cnese Academy of Engineering said that without intervention, PM., a major cause of choking smog, would replace smoking tobacco as the top risk factor for lung cancer. The disastrous effects of smog are notng new, for in the winter of 1, dense smog in London caused mainly by heavy coal combustion killed about 1,000 people in the . That incident prompted the British government to move to clean up the air, and the effort paid off, for today, PM10 concentrations read at the significantly lower level of around 0 micrograms per cubic meter in the .