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二、听力理解
听对话录音，根据对话内容判断正误（每题10分）。
<a href="http://lms.ouchn.cn:80/api/uploads/audio/279134">音频</a>
操作提示：句子正确选择下拉选项框为“T”；句子错误选择下拉选项框为“F”。
　
Helen is worried about food safety. __1__
2. So far, the contaminated baby milk hasn.t caused any deaths yet. __2__
3. Food incidents occur not as often nowadays as before. __3__
4. Food safety is an old problem. __4__
5. Public confidence in the milk industry will be back soon. __5____4__(完形填空)
.T
.F

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出自：2024年国家开放大学答案

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