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【单选题】
肉牛发生NO2-急性中毒的典型症状为（ ）A.
白色及可视黏膜发绀
B.
白色及可视黏膜呈鲜红色
C.
低钙血症
D.
光敏性皮炎
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举一反三
【简答题】If we had had his telephone number, we (call) ______ him.
【单选题】We ______ our breakfast already. We ______ it at school at 6:30. [ ]
A.
have had, had
B.
have had; have had
C.
had, have had
D.
had, had
【单选题】We had no way to measure the exact distance we had traveled, but we thought it was ______ ten miles.
A.
apparently
B.
appraisably
C.
appropriately
D.
approximately
【单选题】变应性鼻炎发作时，鼻涕增多的原因（）
A.
鼻腔阻力血管收缩，鼻涕增多
B.
鼻腔容量血管扩张，粘膜水肿
C.
毛细血管通透性增加
D.
副交感神经活性增高，腺体增生
E.
交感神经活性增高，腺体减少
【单选题】-----Did you enjoy your trip to the town? -----_________. We had driven more than 3 hours before we found the right way.
A.
Absolutely
B.
Go ahead
C.
Not at all
D.
Quite a lot
【单选题】We lost the match because they had players. They had eleven and we had only nine.
A.
stronger
B.
younger
C.
fewer
D.
more
【单选题】—How did you lose the soccer match? —We had _______ players. They had eleven while we had only nine!
A.
less
B.
better
C.
fewer
D.
more
【简答题】Internet 是一个结构不断 的大型网际网。
【单选题】以下关于Internet的描述中,错误的是()。
A.
Internet是一个规模庞大的网际网
B.
Internet是一个结构不断变化的网络
C.
主干网包括国家、地区等各级主干网
D.
主干网的主要传输介质是无线信道
【单选题】To our ______ Geoffrey's illness proved not to be as serious as we had feared.
A.
anxiety
B.
relief
C.
view
D.
judgment
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