單項選擇題生物源性蠕蟲在發(fā)育過程中需要()

A.definitive host
B.intermediate host
C.paratenic host
D.reservoir host


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1.單項選擇題土源性蠕蟲在發(fā)育過程中不需要()

A.definitive host(final host)
B.intermediate host
C.paratenic host
D.reservoir host
E.host

2.單項選擇題蠕蟲可根據(jù)其傳播的特征分為()

A.biohelminth
B.Nematoda
C.geohelminth
D.tapeworm
E.biohelminth and geohelminth