二、听力理解
听对话录音，根据对话内容完成下方题目（每题10分）。
音频
操作提示：通过题干后的下拉框选择题目的正确答案。
　
The problem with Koukou Old Yogurt is that it contains __________. __1__
　A. processed food
　B. leather products
　C. industrial gelatin
2. We can infer from the dialog that lead is __________. __2__
　A. a heavy metal
　B. processed food
　C. a company manager
3. According to Michael, food safety problems can.t be prevented because __________. __3__
　A. there aren.t any industrial standards
　B. the industrial standards are too high
　C. the industrial standards are too low
4. Melinda.s solution to the food safety problem is __________. __4__
　A. punishing the companies concerned severely
　B. sending a text message to the companies concerned
　C. sending a text message to all the other companies
5. In the dialog, send a clear message to means to __________. __5__
　A. publish
　B. warn
　C. inform__5__(完形填空)
.A
.B
.C