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【单选题】
在旅游产品生产和旅游市场需求矛盾趋于缓和的时候,旅游企业的注意力从旅游产品的数量转到质量上。强调“以质取胜”。 此营销观念属于( )A.
生产观念
B.
产品观念
C.
推销观念
D.
营销观念
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】下列有关种群和群落的叙述正确的是______。
A.
种群和群落都具有典型的垂直分层现象
B.
任何区域初生演替的结果都是形成森林
C.
种群密度能够准确地反映种群数量变化的趋势
D.
群落中两个物种之间可能存在一种以上的种间关系
【简答题】大学生自我意识存在着哪些问题?
【单选题】听力原文：W：Jack failed in the exam again． M：He had played basketball all the time and did not study． Q：Why didn't Jack pass the exam again? (15)
A.
Jack failed in the exam for the first time.
B.
Jack was a very good basketball player.
C.
Jack paid no attention to his study before the exam.
D.
Jack played basketball after the exam.
【单选题】听力原文：W：Jack failed in the exam again. M：He had played basketball all the time and did not study. Q：Why didn't Jack pass the exam again? (10)
A.
Jack failed in the exam for the first time.
B.
Jack was a very good basketball player.
C.
Jack paid no attention to his study before the exam.
D.
Jack played basketball after the exam.
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