教育研究与其他科学研究一样，由_______________、_____________和_______________三个基本要素组成。

按研究方法的适用范围和概括程度，教育科研方法可以分为____________方法、_____________方法和_____________方法。

教育科学研究是指运用科学的_______________，遵循一定的_______________，通过对教育现象与事实的解释、预测和控制，探索_______________的一种认识活动。

He can not choose his own job, ________ can I.

With an appropriate relative pronoun My brother speaks English fluently, ________ I don ’t.

With an appropriate conjunctive Last month I bought a watch. It is cheap, ________ it goes quite well.

This car is very expensive. You have to pay half a million dollars ________ it.

I think his failure in the experiment resulted ________ his carelessness.

I appreciate ________ (give) the opportunity to study abroad three years ago.

It is surprising that this innocent-looking girl ________________ (commit) such a crime.