单项选择题

A．prevent people from having trouble with teeth
B．stop teeth from falling out
C．put men on the moon
D．transplant hearts and other organs
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单项选择题
A．answer questions about its temperatureB．translate the sounds into imagesC．know how gases inside ebb and flowD．measure the pitch
A．answer questions about its temperature
B．translate the sounds into images
C．know how gases inside ebb and flow
D．measure the pitch
单项选择题
A．C the EU would try to resolve the trade dispute with China quicklyB．D the EU promised to intensify dialogue in all areasC．B the EU had decided to lift the arms ban later this yearD．Which one was not mentioned in the conclusion document issued by the summit E．the EU would develop a strategic partnership with China
A．C the EU would try to resolve the trade dispute with China quickly
B．D the EU promised to intensify dialogue in all areas
C．B the EU had decided to lift the arms ban later this year
D．Which one was not mentioned in the conclusion document issued by the summit
E．the EU would develop a strategic partnership with China
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