单项选择题

In manufacturing, cheaper materials are constantly being _________ for the more expensive kind.

A．replaced
B．transcended
C．transplanted
D．substituted
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单项选择题
Last year when he traveled in France he pretended to be French, but his German_________ give him away.
A．accent
B．accessory
C．consensus
D．consent
单项选择题
In 1954 a survey _________ that nearly two out of every three men, women, and children in the United States now are protected by health insurance.
A．inherited
B．inhibited
C．induced
D．indicated
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