题目内容

Ann and Billy ____ together for 7 years when they decided to get married.

A. will be
B. are being
C. had been
D. have been

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54()

A. flying
B. diving
C. fighting
D. landing

37()

A. suddenly
B. gradually
C. peacefully
D. rapidly

39()

A. finding
B. keeping
C. shaking
D. forcing

克雷伯杆菌肺炎的特点包括

A. 多见于老年人,营养不良及慢性疾病患者
B. 病情较轻,预后较好
C. 细菌具有荚膜,在肺泡内生长繁殖,但不引起组织坏死、液化
D. 治疗首选氨基糖苷类+头孢菌素

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