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【多选题】
血清AFP升高可见于A.
生殖腺胚胎癌
B.
原发性肝癌
C.
妊娠
D.
原发性胆汁性肝硬化
E.
慢性活动性肝炎
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举一反三
【简答题】阅读理解 Visit one of the most outstanding prehistoric sites in the United Kingdom, and enjoy amazing historic English attractions. Please notice that every tour starts and ends in London. Have a tour wit...
【单选题】According to the writer, the most amazing thing about the e –nose is that it can ______.
A.
pick out ripe fruits
B.
spot the insects quickly
C.
distinguish different damages to the leaves
D.
recognize unhealthy tomato leaves
【单选题】“各成员方通过多边贸易谈判降低和约束关税，取消其他贸易壁垒，消除国际贸易中的歧视待遇，扩大本国市场准入”是世界贸易组织的（）。
A.
贸易自由化原则
B.
非歧视原则
C.
关税保护与取消数量限制原则
D.
促进公平竞争原则
【单选题】—Do you understand the film Cloud Atlas, the most amazing one this year? —_____, but I am confused at many scenes.
A.
Not a little
B.
Yes, no problem
C.
No，not at all
D.
Just sort of
【单选题】Which of the following is considered to be most important, according to the second and third paragraphs?.
A.
Diversity.
B.
Flexibility.
C.
Encouragement.
D.
Benefits.
【单选题】Columbus had accomplished one of the most amazing and courageous ______ in history.
A.
performance
B.
feats
C.
events
D.
acts
【单选题】Most children are interested in amazing things, and they wonder ______. [ ]
A.
when can they see UFOs
B.
how can elephants walk on tiptoe
C.
why do fish sleep with their eyes open
D.
why there is no plant life without lightning
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