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【单选题】
不属于胸主动脉分支的是:A.
肋间后动脉
B.
肋下动脉
C.
支气管动脉
D.
椎动脉
E.
食管动脉
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反馈参考答案：
举一反三
【判断题】高效液相色谱中的流动相常用的是甲醇和水,溶剂甲醇为色谱纯,若为分析纯则要进行去除杂质等操作后再使用; 甲醇和水溶液作为流动相若因溶解有空气形成气泡还要进行脱气处理。
A.
正确
B.
错误
【单选题】“Hope for the best and prepare for the worst” is a proverb,_______life is beautiful and full of frustrations as well.
A.
to mean
B.
meaning
C.
means
D.
meant
【简答题】Hope is life and life is hope的翻译是什么?
【单选题】'Hope for the best and prepare for the worst 'is a proverb(谚语),______ life is beautifully and full of difficulties as well. [ ]
A.
means
B.
to mean
C.
meaning
D.
meant
【单选题】Where there is life, there is hope. What does the sentence want to tell you?
A.
Life is easy for you.
B.
You can’t have hope in life.
C.
Never give up.
【单选题】'Hope for the best and prepare for the worst. ' is a proverb, ______ life is beautiful and full of frustrations (挫折) as well.
A.
means
B.
to mean
C.
meaning
D.
meant
【单选题】Can you tell me _______ in the future? [ ]
A.
how life will be like
B.
how will life be like
C.
what life will be like
D.
what will life be like
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