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。
Anxiety can ________ with children ’s performance at school.
In the United Kingdom, the party which wins the ________ number of seats in the House of Commons becomes the official Opposition.
Which of the following words does NOT have suffixes?
It is no use arguing _______ the plan because it has been rejected.
In 1950,( )was awarded the Nobel Prize for the anti-racist Intruder in the Dust.
It took me a month to get rid _______ the cough.
To write up his novel, John is looking for an environment free ________ outside distraction.
The average life expectancy of the Red Indians is ________.
The professor worked for 7 hours at a ________.
The following words of the basic word stock denote the most common things and phenomena of the world around us EXCEPT ______ .