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【单选题】
“音之起,由人心生也。人心之动,物使之然也。感于物而动,故形于声。”上述这段话出自《 》A.
《乐记·乐本》
B.
《·乐论》
C.
《道德经》
D.
《非乐》
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皮皮学刷刷变学霸
举一反三
【单选题】These eggs were found in the Gobi Desert by a group of scientist ________. [ ]
A.
in the 1920
B.
in the 1920s
C.
in 1920s
D.
in 1920s'
【简答题】Recently, a scientist did some experiments．He left a group of 4-year-olds in a room with a bell and a candy．If they rang the bell, he would come back and they could eat the candy．If, however, they did...
【简答题】10 岁男孩,诊为重症心肌炎,心脏听诊可出现哪项体征A. 开瓣音 B. 喀喇音 C. 钟摆律 D. S1 增强 E. P2 减弱
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