单项选择题

Researchers said Monday that having more children will run more risks of developing______.

A．heart disease
B．blood deficiency
C．family or financial problems
D．high levels of fat in blood
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单项选择题
Bicycling, according to the speaker, is mainly a form of______.
A．recreation
B．challenge
C．efficiency
D．transportation
单项选择题
What is most probably the woman doing at the beginning of the conversation
A．She is sweating all over.
B．She is sitting and talking.
C．She is singing a Salome song.
D．She is showing a book on dance.
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