高中化学课程辅导

1.While it remains to be seen whether or not environmental deterioration can be controlled , the current prospects are far from encouraging . People around the world must act immediately to prevent the situation from deteriorating even further .

环境恶化是否能得到控制这个问题仍然没有答案，但目前的前景一点儿也不乐观。全世界的人必须立即行动，防止情况进一步恶化。

2. When it comes to the increasing use of motor vehicles in Beijing , some people think that use should be limited . Others argue that the opposite is true . There is probably some truth to both arguments,but emission controls must be instituted regardless of the number of vehicles.

涉及北京机动车使用量增加这一问题，有的人认为应该限制使用。另一些人持相反意见。也许双方的观点都有一定道理，但是，无论车辆多少，必须对废气排放实行控制。