单项选择题

Clonorchiasis is caused by Clonorchis sinensis that lives in liver, bile duct and gallbladder of host.

A.正确
B.错误
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The variable that holds the address of the variable is a pointer variable.
单项选择题
Via cutaneous transmission is the infection route of Trichinella spiralis.
A.正确
B.错误
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