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举一反三
【单选题】儿童多动症是小学生中常见的一种以注意缺陷、活动过度和好冲动为主要特征的综合性障碍，其高峰发病年龄在 【 】
A.
3岁～5岁
B.
5岁～7岁
C.
8岁～10岁
D.
12岁～13岁
【单选题】注意力缺陷多动症（）
A.
注意力缺陷，活动过度
B.
中枢性运动障碍，姿势异常
C.
对称性肢体运动障碍
D.
脑膜刺激征阳性、惊厥、高热、头痛
E.
肢体某一部分抽搐、不伴意识丧失以上是哪些疾病的临床表现
【单选题】Directions: There are 4 passages in this part. Each of the passages is followed by 5 questions or unfinished statements. For each of them there are 4 choices marked A, B, C and D.Passage One ...
A.
they are very kind-hearted and care much about the people there
B.
they are afraid that more people will immigrate into their countries
C.
they know that governments there are not taking effective measures to deal with the problem
D.
they fear that the pollution there may cause harm to their own countries