在山区,由于热力的原因而产生风向的变化。白天风从山谷吹向山上,叫做______,
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What did not happen in 19277
A. The Hershey Chocolate Company was listed on the New York Stock Exchange for the first time.
B. Hershey’s Kisses, Hershey’s major product were first manufactured.
C. The Hershey Chocolate Company was renamed the Hershey Chocolate Corporations.
在选课表中查询没有成绩的学生学号和课程号,其SELECT语句中的WHERE子句应为 【15】 。