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问题: 几道托福难题

1.Light rays (what)A enter the eye (must)B be focused onto a point on the retina in order for a (clear)C visual imagine (to form)D.

2.Stars derive (their)A energy (from)B thermonuclear reactions that (take place)C in their (heat)D interiors.

3.(The nitrogen)A makes up (over)B 78 (percent of)C the earth's atomosphere, the gaseous mass (surroundnig)D the planet.

4.In her time, Isadora Duncan was ______today a liberate woman.
A.calling waht we would
B.who would be calling
C.what we would call
D.she would call it

解答:

1A what 和 light rays成份重复,应用which/that引导型
2D heat 不是形容词是名词 应为hot
3D surrounding是名词或形容词在此不对 这种题要注意补齐了再分析
4C 只有c语法上过得去
A 根本不知所云
B called
D 也是根本不通 who she would call it 在语法上还差不多 但意思根本不可理解。