单项选择题

Only ten to twenty percent of cold viruses are transmitted by carders, who, sneezing and coughing, ______the viruses into the air.

A．spray
B．sprinkle
C．spread
D．sprout
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单项选择题
The dairy industry has taken great pains to increase the number of products from which the butterfat has been______.
A．revived
B．removed
C．excluded
D．isolated
单项选择题
The consolidation of the crumbling walls and towers has been carried out ______ a program agreed with the Department of the Environment.
A．in case of
B．in accordance with
C．in place of
D．in charge of
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