| Millions of stars are traveling about
in space. A few form groups which journey together, but most of them travel
alone. And they travel through a universe so large that one star seldom
comes near to another. We believe, however, that some two thousand million years ago, another star wandering through space, happened to come near our sun. Just as the sun and the moon raise tides on the earth, so this star must have raised tides on the surface of the sun. But they were very different from the small tides that are raised in our oceans; a large tidal wave’ must have travelled over the surface of the sun, at last forming a mountain so high that we cannot imagine it. As the cause of the disturbance (动荡) came nearer, so the mountain rose higher and higher. And before the star began to move away again, its tidal pull had become A. our earth exists before the sun B. how space formed C. no one knows where the earth comes from D. our earth used to be part of a high mountain on the sun [多选题] 开办煤矿企业，应当具备有计划开采的()等条件。
A.矿区范围 B.开采范围 C.资源综合利用方案 D.土地复垦方案 [单项选择]以下折扣的表示方法中不正确的是______。
A. 每公吨500美元CIF纽约折扣2% B. 每公吨500美元CIF纽约减2%折扣 C. 每公吨500美元CIF纽约加2%折扣 [单选题]使命令的执行结果不在屏幕上显示，而是写到另一个文件中去，这种功能称为（）。
A.脱机输出 B.管道 C.联机输 D.输出重定向 [单选题]历史人物在历史上的作用表现为()。
A.推动或阻碍历史的前进 B.改变历史发展的规律 C.决定历史时代的根本特点 D.改变历史发展的方向 [单项选择]What does the man mean
A. He agrees with the woman. B. He doesn’t agree with the woman. C. He doesn’t understand. [判断题]带电水冲洗时，其大、中型水枪喷嘴均应可靠接地。
A.正确 B.错误 [单选题]1.15 _______不属于工业和信息化部实施《公告》管理的车辆产品。
A.三轮汽车 B.半挂车 C.轮式专用机械车 D.摩托车 [判断题]（判断题）机械手亦可称之为机器人。( )
A.正确 B.错误 [单项选择]患者女性。自然分娩后第5天，体温39.5℃，恶心、呕吐，下腹部胀痛（+），反跳痛（+）。对于该患者，正确的处理是（）
A. 立即手术，做好术前准备 B. 立即腹部理疗，以减轻疼痛 C. 宜取半卧位，使炎症局限 D. 细菌培养及药敏试验结果回报后再选用抗生素治疗 E. 口服解热止痛药 [单选题]现场使用的安全工器具应（）并符合有关要求。
A.规范 B.合格 C.齐备 D.可靠 E.略 F.略 我来回答: 提交
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