预防接种卡(簿)的保管期限应在儿童满7周岁后再保存不少于年()
A、5
B、8
C、10
D、15
参考答案:D
假定你是西安某一中学高三学生李华。在一个英文网络论坛上,你看到如下的一个帖子:
With the college entrance examination approaching, quite a few students are suffering mental problems. It does great harm to their study and health. What can we do to help those students?
请你回帖,要点如下:
1. 列出某些学生心理焦虑的现象; 2. 提出应该采取的对策(如积极态度和应对方法)。
注意:1. 文章的开头已经给出(不计人总词数),可适当发挥;
2. 词数:120左右。
I agree with what you said. That many students have some mental problems also worries me.
甲状腺素分泌过少时
A.组织耗氧量增加
B.促进细胞发育、分化
C.出现呆小症或粘液性水肿
D.神经系统兴奋性增加
E.食欲增加