某些山区人群易患地方性甲状腺肿，其影响因素是
A．气候变化
B．地域因素
C．生活环境
D．工作环境
E．社会环境
参考答案：B
世界上季风气候影响范围最广的地区是在亚洲的 ______ 部和 _______ 部。
—How is the food here?
—____ [ ]
A. It's very delicious, I think.
B. It's chicken and rice.
C. I like having dinner here.
D. I agree with you.
