部分自闭症者经常重复别人说过的话，这种重复言语对他们的言语发展是没有意义的。 
A、正确
B、错误

多项选择题What are the components of problem-solution essays? A、Situation B、Problem C、Solution D、Evaluation

单项选择题The written form of English is a(n) ( )representation of the spoken form.