【单选题】【消耗次数：1】
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
参考答案：
复制
纠错
相关题目
【单选题】
A: We had a trip to China this summer. B: [填空] A: Yes, we did. In fact, we even encountered a lion.
①
Didnt you?
②
How did it go?
③
I guess you did.
④
I bet you had a great time.
【单选题】
The last time we had great fun was [] we were visiting the Water Park.
①
where
②
how
③
when
④
why
【单选题】
Things never went _____ as we had expected
①
so smoothly
②
smooth
③
so smooth
④
smoothly
【单选题】
What a rainy summer we’ve had!
--Yes, there only three sunny weekends the whole summer.
①
have been
②
are
③
had been
④
has been
【单选题】
We’ve had an() amount of help from people
①
engage
②
encounter
③
entertain
④
enormous
【单选题】
23.____time we had at the dinner party !
①
Howwonderful
②
Whatawonderfultime
③
Howawonderfultime
④
Whatwonderfultime
【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】
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
随机题目
【单选题】
下列选项中，关于氢吗啡酮的叙述错误的是（ ）
①
属于μ和δ受体激动剂
②
与吗啡相比，脂溶性高10倍，易穿透血脑屏障
③
30分钟起效
④
不产生有活性的吗啡-6-葡萄糖苷酸，其蓄积可能会加重肾功能损伤并导致呼吸抑制、镇静和恶心等不良反应
⑤
代谢产物氢吗啡酮-3-葡萄苷酸在体内蓄积，可能出现神经毒性反应如肌阵挛、异常性疼痛、躁动不安