单项选择题

The issue of drug resistance in Haemonchus contortus could be alleviated by rotational grazing and deworming using different anthelmintics.

A.正确
B.错误
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Effective control of dogs and stopping dogs from accessing brain and spinal cord entrails of diseased animals are key measures for control of coenurosis in cattle and sheep.
A.正确
B.错误
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Haemonchus contortus is a soil-transmitted parasite.
A.正确
B.错误
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