【单选题】【消耗次数：1】
All the flights ____ because of the snowstorm, we had
to take the train instead.
①
were canceled
②
had been canceled
③
having canceled
④
having been canceled
参考答案：
复制
纠错
相关题目
【单选题】
All the flights _____because of the snowstorm, we had to take the train instead.
①
were canceled
②
had been canceled
③
having canceled
④
having been canceled
【单选题】
The match was canceled because most of the members______a match without a standard court.
①
objected to having
②
were objected to have
③
objected to have
④
were objected to having
【单选题】
Having been asked to speak at the convention __________
①
some notes were prepared for Dr. Smith
②
Smith prepared some notes
③
The convention members were pleased to hear Dr. Smith
④
Some notes were prepared by Dr. Smith
【单选题】
The snowstorm _____________ us three hours because we had to drive very slowly.
①
decided
②
deepened
③
delayed
④
detailed
【单选题】
Only when we landed______ how badly the plane had been damaged.
①
we realized
②
did we realize
③
had we realized
④
we had realized
【单选题】
The residents, _____had been damaged by the fire, were given help by the Red Cross.
①
all of their homes
②
all their homes
③
whose all homes
④
all of whose homes
【单选题】
The residents, _____had been damaged by the fire, were given help by the Red Cross.
①
all of their homes
②
all their homes
③
whose all homes
④
all of whose homes
【单选题】
If the doctor had been available, the child ____________.
①
would not die
②
could not have died
③
might not die
④
should not have died
【单选题】
When we were having a party, the host _______ the bad news.
①
was telling
②
was told
③
could tell
【单选题】
During the Second World War, once before, the U-boats had been _____ because of air attack.
①
in trouble
②
in the trouble
③
for trouble
④
within trouble
随机题目
【单选题】
以下不属于抗菌药物联合用药的适应症的选项是（ ）
①
病原菌尚未未查明的严重感染，包括免疫缺陷者的严重感染
②
单一抗菌药物不能控制的严重感染
③
需氧菌及厌氧菌混合感染，≥2种的复数菌感染
④
通过联合用药，扩大抗菌谱，快速控制病情
【单选题】
以下关于抗菌药物使用强度的说法错误的是（ ）
①
抗菌药物使用强度越低越好
②
抗菌药物使用强度反应药品消耗情况
③
抗菌药物使用强度是群体样本的统计研究
④
通过抗菌药物的合理应用，来控制抗菌药物使用强度
⑤
抗菌药物使用强度是指每天，每100名住院病人抗菌药物消耗的DDD数
【单选题】
以下哪种情况不得使用大剂量的头孢哌酮舒巴坦（3g q6-8h）（ ）
①
产ESBLS的肠杆菌科细菌感染
②
CRAB感染
③
嗜麦芽窄食单胞菌感染
④
社区获得性肺炎
⑤
铜绿假单胞菌感染