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{{B}}An Early Form of Jazz Music{{/B}} Music comes in many forms; most countries have a style of their own. At the turn of the last century, {{U}} (51) {{/U}}jazz was born, America had no prominent. {{U}} (52) {{/U}}of its own. No one knows exactly when it was invented or by whom. But it began to be{{U}} (53) {{/U}}in the early 1890s. Jazz is America’s contribution to{{U}} (54) {{/U}}music. In contrast to classical music, which{{U}} (55) {{/U}}formal European traditions, jazz is spontaneous and free in form. It bubbles with energy, {{U}} (56) {{/U}}the moods, interests, and emotions of the people. In the 1920s jazz{{U}} (57) {{/U}}like America. And so it does today. The{{U}} (58) {{/U}}of the music are as int A. sad B. solemn C. happy D. funeral [单选题]()是指短时之内不会劣化为重大缺陷、紧急缺陷，对运行虽有影响但尚能坚持运行者。
A.重大缺陷 B.紧急缺陷 C.一般缺陷 D.隐患 [单选题]资本循环中起决定性作用的阶段是（ ）
A.购买阶段 B.生产阶段 C.销售阶段 D.流通阶段 [不定项选择题]阳盛格阴是指（ ）。
A.阳气亢盛，损伤阴精 B.阳气虚损，阴气无以生，导致阴阳两虚 C.阳气虚衰，阴气相对偏盛 D.阳盛至极，热盛于内，排斥阴气于外 [简答题]中学教师为什么要学习教育学？
[单选题]某患者要做粪便潜血试验，应给患者哪一组食谱
A.卷心菜、五香牛内 B.菠菜、红烧青鱼 C.茭白、鸡蛋 D.油豆腐、鸡血汤 E.鸭血、豆腐 [单选题]《电力安全工作规程(发电厂和变电站电气部分)》规定：经常有人工作的()宜配备急救箱，存放急救用品，并制定专人检查、补充或更换。
A.宿舍 B.作业现场 C.休息室 D.场所及施工车辆上 [单选题]绞磨卷筒的细腰部直径与钢丝绳直径之比不应小于（ ）。
A.8 B.9 C.10 D.11 [单选题]作业或巡视检查时防寒服装要( ).
A.宽松 B.结实 C.紧身利索 D.舒服 我来回答: 提交
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