在人们是常食盐中,如要缺少一种元素,易引起人体内分泌失调,患甲状腺肿大症,俗称“大脖子”病。这种元素是什么?
参考答案:
碘。
首字母填词。
1. I like to take out your t_______ and f_______ your clothes, because it's r______.
2. I have to help Bill f_______ his golden fish.
3. Johnson has some f_______ to ask you.
4. The students will have a w_______ party at the Chritmas Eve.
5. —I'm not feeling w_______, doctor.
—Nothing serious. You will feel b_______ soon.
毛 * * 指出,中国革命战争的主要特点有
A. 政治经济发展不平衡
B. 敌人的强大
C. 人民军队的弱小
D. * * 党的领导
E. 土地革命的开展