What tone is the author using in stating the spreading of heart disease in the developing countries?

We should blame computer viruses for destroying some of our important documents.

To control the increasing number of traffic accidents, the new safety regulation will be put into effect next month.

内容: 假设你为某市华天大酒店( Hua Tian Great Hotel) 作一份简单的宣传广告.要求说明以下几点: 1. 它的特点和地理位置; 2. 它的设施 服务及管理情况; 3. 它的规模及发展( 已发展成集旅游、住宿、娱乐、餐饮于一体的企业集团)。

No matter what he said, I regarded his comment on my ability as a challenge.

Developments in computer technology will have a major impact on industrial processes.

长时间地看电视会对孩子的视力产生严重的影响.

It was nearly impossible to live free from financial stress in modern society.

近期的心理学研究表明许多孩子纯粹是凭想象产生了对危险的恐惧感.

董事长以公司的名义宣布了这项决定.

如果你坚持进行这项试验,你将为由此产生的后果负责.