---why do people hate flies?---because they_____diseasesa throwb spreadc permitd infect选什麽、、还有解释、、谢谢

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---whydopeoplehateflies?---becausethey_____diseasesathrowbspreadcpermitdinfect选什麽、、还有解释、、谢谢---whydop

---why do people hate flies?---because they_____diseasesa throwb spreadc permitd infect选什麽、、还有解释、、谢谢
---why do people hate flies?---because they_____diseases
a throw
b spread
c permit
d infect
选什麽、、还有解释、、谢谢

---why do people hate flies?---because they_____diseasesa throwb spreadc permitd infect选什麽、、还有解释、、谢谢
C spread 有传播的意思 throw 是抛掉的意思 permit 是允许的意思 infect 是感染的意思 苍蝇只是携带病原体儿自身不具有致病力

b spread
传播
spread diseases 传播疾病