有效组合仅位于资本市场线上，而无效组合位于证券市场线上。 ()
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周期循环理论的重点是时间因素。如果投资者能对股市的各个阶段认真分析，明确所处行情属于哪一阶段，就能做出合适的投资计划。 ()
A. 正确
B. 错误
The new type of IQ test taken by researchers is one that ______
A. is designed solely for autistic children.
B. requires the children to respond to questions.
C. is more widely used in today's society.
D. asks the children to find logical relationships among patterns.
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