电动机是将（）能转换成（）能的旋转电器。
参考答案：电、机械
_______, the disease will produce a kind of poison that will kill the patient.
A．If it untreated
B．If is untreated
C．If being untreated
D．If untreated
Vous_________lire attentivement le contrat avant de le signer
A．aurez d
B．auriez d
C．aviez d
D．ayez d
