| Music comes in many forms; most
countries have a style of their own. (56) the mm of the
century when jazz was born, America had no prominent (57) of
its own. No one knows exactly when jazz was (58) , or by
whom. But it began to be (59) in the early 1900s. Jazz is
America’s contribution to (60) music. In contrast to
classical music, which (61) formal European traditions, jazz
is spontaneous and free in form. It bubbles with energy, (62)
the moods, interests, and emotions of the people. In the 1920s
jazz (63) like America, and (64) it does
today. The (65) of this music are as interesting as the
music (66) . American negroes, or blacks, as they are called
today, were the jazz (67) . They were brought to Southern
States (68) slaves. They were sold to plantation A. noticed B. found C. listened D. heard [单选题]按上、下行方向列车数目划分,运行图分为_____。
A.平行运行图和非平行运行图 B.成对运行图和不成对运行图 C.连发运行图和追踪运行图 D.单线运行图和双线运行图 [单项选择]质量管理体系的文件组成有（）。
A. 形成文件的质量方针 B. 质量手册 C. 程序文件 D. 以上均正确 [单选题]三态门的第三态是( )。
A.低电平 B.高电平 C.高阻 D.任意电平 [单选题]燃烧的发生和发展必须同时具备三个必要条件，即（），通常用着火三角形来表示。( )
A.可燃物、氧化剂、低闪点 B.可燃物、氧化剂、风 C.可燃物、氧化剂、引火源 D.可燃物、氧气、引火源 [单项选择]聚乙烯防腐蚀层胶粘剂的脆化温度应不大于（）℃。
A. -50 B. -60 C. -40 D. -30 [多项选择]员工考评工作的组织形式有（）
A. 自我考评 B. 上级考评 C. 同事考评 D. 下级考评 E. 所在地政府 [填空题]以下程序运行后的输出结果是【 】。
void fun(int x，int y)
{ x=x+y；y=x-y；x=x-y；
printf("%d，%d，"，x，y)；}
main( )
{ int x=2，y=3；
fun(x，y)；
printf("%d，%d/n"，x，y)；
}
[简答题]1 当脚手架拆至下部最后一根长立杆的高度（约6.5m）时，应先在适当位置搭设——加固后，再拆除连墙件。
[单选题]camp蛋白激酶A途径和DG-蛋白激酶C途径的共同特点是
A.由G蛋白介导 B.CA2+可激活激酶 C.磷脂酰丝氨酸可激活激酶 D.钙泵可拮抗激酶活性 E.CAMP和DG均为小分子，故都可在胞液内自由扩散 [简答题]简述氢气泄漏时的应急处理措施？
[判断题]构建现代能源综合运输体系的意义是保障能源安全可靠供应、提高能源输送效率、实现综合价值最大化。
[多项选择]下面属于议论文的有（）。
A. 韩愈《进学解》 B. 韩愈《师说》 C. 贾谊《过秦论》 D. 王羲之《兰亭集序》 我来回答: 提交
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