若已知某产品的故障的密度函数为f(t)=0.002e-0.002t，(单位：h)
平均故障时间为（）。 凡有下列（）情形之一的，不得再次公开发行公司债券。
Ⅰ.前一次公开发行的公司债券尚未募足的
Ⅱ.募集资金的用途不符合国家产业政策的
Ⅲ.违反《中华人民共和国证券法》规定，改变公开发行公司债券所募资金用途的
Ⅳ.对已公开发行的公司债券或者其债务有违约或者延迟支付本息的事实，且仍处于继续状态的
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{{B}}Text{{/B}} The Spring Festival is{{U}} (9) {{/U}}. As a tradition, people are{{U}} (10) {{/U}}to have something new to use or wear, {{U}} (11) {{/U}}children, no matter they are rich or poor. Therefore, you can see many families going shopping on the streets. And, interestingly enough, you may notice that men’ s shopping style is different{{U}} (12) {{/U}}that of women. Let’ s look at men’ s clothes shops: A man comes into a shop, has a{{U}} (13) {{/U}}at the whole shop and goes to his{{U}} (14) {{/U}}area. He has a{{U}} (15) {{/U}}look of the colors and begins to ask the shop assistant for the fight size. He tries it on, {{U}} (16) {{/U}}his arms or kicking his{{U}} (17) {{/U}}to check if it is{{U}} (18) {{/U}}enough. The clothing{{U}} (19) A. couple B. spouse C. pair D. twin [多选题]动检车波形图（ ）项目比例为1:1。
A.高低 B.轨向 C.超高（直线为水平） D.轨距 [单选题]在以(ωt)为横轴的电流波形图中，取任一角度所对应的电流值叫该电流的( )。
A.瞬时值 B.有效值 C.平均值 D.最大值 [单项选择] Customer Service Centre Manager Wanted
It’s no use providing excellent services if the people they’re designed for don’t know about them, or aren’t sure how to (29) them. That’s why we’re opening a Customer Service Centre in October which will provide a model for (30) more units of this type. The Centre will be on a busy high street so that everyone can see it. (31) the manager, you’ll be the driving force behind this new venture. To work (32) this exiting new post, you should have at least two years’ management experience ill customer services. Your ability to think (33) and your knowledge of local businesses will (34) you to plan and run the operations of the Centre to the highest standards and (35) budget. (36) your strong leadership skills, you’ll ensure a happy and open environment (37) all your people can develop, and the service (38) is always improving. A. Using B. Use C. Used [判断题]秋季整修时，须检查发电车上油箱及燃油管路防寒材包裹。
A.正确 B.错误 [单项选择]硝酸甘油的不良反应不包括（）
A. 高铁血红蛋白血症 B. 直立性低血压 C. 溶血性贫血 D. 头痛 E. 眼内压升高 [多项选择]原始凭证按其取得的来源不同，可以分为（）。
A. 一次凭证 B. 通用凭证 C. 外来原始凭证 D. 自制原始凭证 E. 专用凭证 [判断题] 10kV 架空绝缘导线免遭雷击断线的措施有,在直线杆安装放电穿刺线夹。 ( )
A.正确 B.错误 [名词解释]促销
[单项选择]下列哪些情况构成共同犯罪?
A. 甲教唆13岁的乙盗窃，盗窃来的财物二人平分 B. 甲教唆乙去杀害丙，乙却强奸了丙 C. 甲教乙一种诈骗的方法，说“屡骗屡中”，乙用该方法，果然骗得不少钱 D. 甲教唆乙去放火烧毁一幢房子，乙正欲点火时主人来了，乙迅速逃离 [单选题]在不接地系统中,如发生单相接地故障时,其它相线对地电压会()。
A.升高 B.降低 C.不变 [判断题]当配水支管同时设置保护吊顶下方和上方空间的洒水喷头时,应将上下方数量总和的洒水喷头计入报警阀组控制的洒水喷头总数。( )
A.正确 B.错误 我来回答: 提交
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