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【判断题】
3D打印技术可以应用在文物保护方面A.
正确
B.
错误
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举一反三
【单选题】听力原文：W: One of her grades was 90, and another was 50. M: Her work is very uneven. What was the girl's low grade?
A.
140.
B.
50.
C.
90.
【单选题】听力原文：W: One of her grades was 90, and another was 50. M: Her work is very uneven. What was the girl's low grade?
A.
9.
B.
50.
C.
90.
【简答题】A．腹腔镜检查 B．肝穿刺活检有假小叶形成 C．钡餐食道下段及胃底静脉曲张 D．大量腹水 E．白蛋白与球蛋白比值明显倒置 门脉性肝硬化最可靠的诊断依据
【单选题】A:Are you satisfied with her work, sir? B:Not at all、It couldn't be any _______.
A.
better
B.
best
C.
worse
D.
worst
【单选题】She ________ on her work so much that she didn’t notice that a crowd of people had _______around her.
A.
focused; focused
B.
fixed; gathered
C.
concentrated; concentrated
D.
carried; collected
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