【答案解析】As is vividly shown in the picture, there is a can of instant food on the table. A man dressed in suit and tie is about to open the can. No sooner has he opened the can than ^[1] a devil, a symbol of potential food safety hazard, jumps out of it. He is freaked out and falls nearly to the ground.
Apparently, the picture reflects that the food safety problems are posing a great threat to the public health. ^[2] Recently, more and more money-oriented manufacturers resort to illegal means to seek for profit. ^[3] They betray their conscience by adding harmful food additives to make food taste delicious. As a result, many consumers contract severe illness after having tainted food.
Therefore, immediate measures should be taken to ensure food safety. ^[4] To begin with, the government should establish a long-term surveillance system to guarantee food quality and safety, ^[5] What"s more, laws and regulations should be applied to the punishment of dishonest manufacturers. Last but not least, on the part of consumers, they should realize the importance of food safety and take legal actions to maintain their rights and interests. [解析] [1] 句型no sooner...than...意为“一……就……”，且no sooner放在句子开头，句子需要部分倒装。
[2] 由描述图画内容过渡到揭示图画内涵，自然引出图画反映的社会问题。pose a threat to...意为“对……构成威胁”，这里表示食品安全问题对公众的健康构成了很大威胁。
[3] resort to意为“寻求；诉诸；求助于”，例如：If negotiations fail we shall have to resort to strike action. 假若谈判失败，我们就采取罢工行动。
[4] 该句是全段的主题句，总结提出自己的见解和解决方法，类似的表达还有Therefore、there is no denying that...或Undoubtedly/Personally, it is necessary to take immediate measures to...。
[5] 固定搭配To begin with、What"s more和Last but not least作为常用的衔接词，从三个方面展开论述，使文章段落层次清晰。establish a long-term surveillance system意为“建立长效的监管机制”。