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【单选题】
患者，女性，25岁。因牙面斑点要求进行前牙美观治疗，自诉从牙齿萌出后，牙面即有黄色斑块。查：均可见不同程度散在黄褐色及白垩状斑。该患牙最可能的诊断为______A.
釉质发育不全症
B.
浅龋
C.
氟牙症
D.
四环素牙
E.
遗传性乳光牙本质
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【单选题】听力原文：Narrator Listen to a conversation between two students after a science class. Student A Hi, Nicolas! Student B Hi, Peter! Todays science class, by the way, how do you like it? Student A Its reall...
A.
Biology is an exact science.
B.
Robotics is a branch of science.
C.
Science may also bring about disasters.
D.
Science is knowledge of facts and laws.
【简答题】听下面一段材料，回答第1-4题。 1. Why are people interested in vegetable gardening? A. Because people can make money from it. B. Because people can relax themselves. C. Because people can sell vegetables. 2. In wha...
【简答题】本次作业为互评作业 2. 3 月12日16:30分提交作业截止,然后系统开始分发互评作业,每人两份,双盲,互评意见建议为简短的书面意见。 3. 同伴可以评分,但是仅供参考。本次作业的最终得分以老师评分为准。 作业的具体写作要求如下: Write an email to one of the keynote speakers at the conference to ask if he or she...
【单选题】W: How did you do with your essay for Professor Black Scott7 M:__________
A.
Everything is OK. But I failed to finish it.
B.
Professor Smith Scott didn' t work successfully enough to let me believe in him.
C.
Nonsense. It' s not your business.
D.
Not too bad， it took me almost 10 hours.
【判断题】笛卡儿根据伽利略由重量和速度的乘积来量度运动的主张,提出了用质量和速度的乘积来量度运动,这种量度标准对于碰撞问题的研究非常方便、牛顿接受了笛卡儿的主张,并把这一乘积定义为动量。
A.
正确
B.
错误
【简答题】读完这本书,你是不是已经按捺不住心中的冲动,想为改变这个世界做些什么。别着急,一天试着做一件事,坚持下去,那么你的每一天都将会充满意义。那么我们通过哪些方式可以将理念化为行动呢?
【单选题】W： How did you do with your essay for ProfessorBlack Scott? M：__________
A.
Everything is OK. But I failed to finish it.
B.
Professor Smith Scott didn’ t work successfully enough to let me believe in him
C.
Nonsense. It, s not your business.
D.
Not too bad, it took me almost 10 hours.
【简答题】A．He agrees with the woman. B．He is a good lecturer himself. C．He is fond of Professor Smith. D．He partly agrees with the woman.
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