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【单选题】
GPS由三大子系统构成：空间卫星系统、地面监控系统、（ ）系统A.
空间传输系统
B.
用户接收系统
C.
空间观测系统
D.
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【单选题】男，46岁。3年前行固定义齿修复，目前咬合疼痛，义齿松动，要求重新固定义齿修复。检查：固定桥修复体己脱位，固位体为3/4冠，全冠，基牙Ⅰ度—Ⅱ度松动。 固定义齿脱落的原因是
A.
颌力过大
B.
黏固剂被溶解
C.
固定桥强度差
D.
共同就位道不一致
E.
两端固位力不一致
【简答题】完型填空 Lin: Hey, Rosa! Let's 1 a movie. Rosa: Hmm, I don't know ... Lin: Well ...I,et's go to see Speed. It's 2 action movie. Rosa: Um,well. I 4 like action movies. I don't want to go, but 3 . Lin: OK. ...
【简答题】完型填空 It is interesting to visit another country. But sometimes there are problems when we don't know the 1 very well. It may be 2 to talk with the people there.We may not know how to use the telephone...
【简答题】完型填空 Don't break kid's heart I ran into a stranger as he passed by. 'Oh, excuse me please' was my reply. He said,' Please excuse me too.I wasn't even watching for you.' We were very 1 , this stranger ...
【单选题】单项选择。 'You're sad, why?' ' ______.' [ ]
A.
Because I got last
B.
I don't know
C.
No, I don't
D.
Please don't ask
【单选题】男，46岁。三年前行 固定义齿修复，目前咬合疼痛，义齿松动，要求重行固定义齿修复。检查： 固定桥修复体己脱位，固位体为 ，3/4全冠，基牙Ⅰ度-Ⅱ度松动。 固定义齿脱落的原因是
A.
颌力过大
B.
黏固剂被溶解
C.
固定桥强度差
D.
共同就位道不一致
E.
两端固位力不一致
【简答题】请从方框中选择最佳答案完戍对话 A: They`re both important. .B: You can see nice art everywhere. C: I don't think we can make it. D: It can be heard everyday. E: Nobody likes you. F. I think music is more interesting ...
【简答题】完型填空 A: 1 , Jim!There is a big bag 2 the tree. B: What's 3 it? A: I don't know.I 4 there are some books. B: 5 , I think 6 a football. A: Let's go and 7 it. B: Ah,there are 8 and a football. A: Oh,ther...
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