题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。请把正确答案填写在答题卡相应题号的横线上。 Good morning, everyone. This is Chris at the school radio station. As we all mow, psychological health is as important as physical health. However, it's quite 50． (worry) that may of us are suffering from poor psychological health. We've interviewed some psychology teachers at our school, and they’ve given us some advice on how 51． (improve) psychological health. Firstly: you can share your concerns with people you trust, 52人体在进行体温调节时，皮肤作为A.感受器B.效应器C.感受器和效应器D.反射中枢