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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent
【多选题】根据《智慧家庭场景化培训教材之天翼看家》，完成小翼管家与摄像头的绑定，用户可在小翼管家客户端内实现实时查看（ ）等控制功能
A.
视频
B.
语音对讲
C.
照片
D.
订购业务