第一章 单元测试

1、单选题:
以下哪一位不属于巴洛克时期的代表音乐家( )
选项:
A:巴赫
B:斯卡拉蒂
C:普洛克菲耶夫
D:亨德尔
答案: 【普洛克菲耶夫点我阅读全文

第一章 单元测试

1、单选题:
1 . 下列( )不属于燃烧的发生必须具备的三要素。
选项:
A:助燃物
B:可燃物
C:点火源
D:未受抑制的链式反应
答案: 【未受抑制的链式反应点我阅读全文

第一章 单元测试

1、单选题:
为系统的输入信号, 为系统的零状态响应,则下列系统中( )是非时变系统。
选项:
A:.w66685962255s .brush0 { fill: rgb(255,255,255); } .w66685962255s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962255s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962255s .font1 { font-style: italic; font-size: 260px; font-family: "Times New Roman", serif; } .w66685962255s .font2 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962255s .font3 { font-size: 373px; font-family: Symbol, serif; } .w66685962255s .font4 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } []0.5[] k ykxk =
B:
C:.w66685962275s .brush0 { fill: rgb(255,255,255); } .w66685962275s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962275s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962275s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962275s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962275s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } ()() yttxt =
D:.w66685962232s .brush0 { fill: rgb(255,255,255); } .w66685962232s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962232s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w66685962232s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962232s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } () ()2 dxt yt dt =
答案: 【.w66685962232s .brush0 { fill: rgb(255,255,255); } .w66685962232s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66685962232s .pen1 { stroke: rgb(0,0,0); stroke-width: 19; stroke-linejoin: round; } .w66685962232s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66685962232s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66685962232s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } () ()2 dxt yt dt =点我阅读全文

第一章 单元测试

1、单选题:
集约化畜禽养殖可能导致的环境问题中,不包括以下哪一项?( )。
选项:
A:生物多样性的提高
B:恶臭、噪音干扰周围居民
C:土壤、水体酸化
D:地下水的利用引起干涸
答案: 【生物多样性的提高点我阅读全文

第一章 单元测试

1、单选题:
下列例子( )最能体现新闻价值的“异常性”。
选项:
A:每日股市收盘报告
B:科学家发现新型病毒
C:警察误抓同名嫌疑人后求助媒体解决
D:地方政府年度工作报告
答案: 【警察误抓同名嫌疑人后求助媒体解决点我阅读全文