[填空题]The two major types of cognitive structures are______and concepts.

[填空题]The two major types of cognitive structures are schemas and______.

[填空题]The two major types of cognitive structures are______and concepts.

[填空题]After the slavery was ended, two major types of music developed from Negroes’ work songs.

[简答题]What are the major types of language test

[填空题]41. Two types of stress:
There are basically two types of stress placed on human beings--physical and mental.
42. Effects of stress--physical or emotional:
Whether physical or emotional in origin, stress causes the body to react in the same way.
43. Guilty--useful, though most harmful:
Probably the most harmful of all the stresses is guilt.
44. Instances no need to feel guilty:
However, many of us as children learned rules that we no longer need.
No one is perfect:
Guilt and the worry that often accompanies this major stress are difficult to eradicate, but people subject to excessive guilt feelings should realize, as simple as it sounds, that no one is perfect. People cannot always be cheerful and helpful to every one they meet. Another good lesson is that mistakes should be forgotten, not lingered over and brought out to examine periodically.
45.