单项选择题

Medical experts believe that the high______ of heart disease and high blood pressure is related to over abundance of cholesterol(胆固醇) in American diet.

A．circulation
B．disturbance
C．incidence
D．suspension
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单项选择题
David likes country life and has decided to______ farming though his father suggests him thinking twice before do it.
A．go in for
B．go back on
C．go through with
D．go along with
单项选择题
We held different opinions and it needed an outsider to______ our ideas
A．mess... up
B．make... up
C．piece... together
D．knit... together
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