下载APP
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】儿童多动综合征是小学生中最为常见的一种以注意力缺陷和活动过度为主要特征的行为障碍综合征。高峰发病年龄为（）岁。
A.
4----6
B.
5-----7
C.
6----8
D.
7-----9
E.
8----10
【单选题】儿童多动综合征是小学生中最为常见的一种以注意力缺陷和活动过度为主要特征的行为障碍综合征，其高峰发病年龄为（ ）．
A.
4～6岁
B.
6～8岁
C.
8～10岁
D.
10～12岁
【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