试题与答案

变压器负载运行时的效率特性在直角坐标系中的图像是第一象限内以原点为始点的一条射线。

题型:判断题

题目:

变压器负载运行时的效率特性在直角坐标系中的图像是第一象限内以原点为始点的一条射线。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:UPDATE SC SET 或update SC set解析:[评析] 本题使用的SQL语句可以是:UPDATE SC SET grade=grade+5 WHERE cname="数据库系统"。

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These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Thomas Jefferson viewed religious freedom, as the other founding fathers, as a fundamental component of a free society.()

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