Each year in the United States, many black teenagers()of school, either because they cannot keep up or they have to work to support their family.
A. go out
B. drop out
C. check out
D. pull out
查看答案
巴黎学派的创立人是()。
A. 皮亚杰
B. 埃里克森
C. 瓦龙
D. 弗洛伊德
皮亚杰认为具体运算阶段是从()。
A. 0—2岁
B. 2—7岁
C. 7—12岁
D. 12—15岁
Only a(n)()few were invited to the dancing party.
A. elect
B. special
C. select
D. selective
巴甫洛夫关于儿童两种信号系统的研究揭示了()。
A. 个体心理起源问题
B. 种系心理活动起源
C. 言语思维发展问题
D. 个性特征的生理基础