更多“DPTR是由（）和（）两个8位寄存器组成的。”相关的问题
下述有关乙醇钠的描述，正确的是：（）。
A.乙醇钠是一种不溶于水的固体
B.乙醇钠是一种剧毒的盐
C.乙醇钠是一种挥发性的液体
D.乙醇钠是一种容易吸潮的粉末
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一般情况下，DTY丝条纤度越低选用袜机的织针数应越少。
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“负能空穴”失去电子后的电荷状态如何?()
A、不带电
B、正电
C、负电
D、不确定
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治疗新生儿缺血缺氧性脑病出现颅内压增高时首选的药物是( ) A 、地塞米松 B 、呋塞米 C 、甘露醇 D 、 50% 葡萄糖溶液 E 、 10% 低分子右旋糖酐
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在变、配电站（开关站）的（）处，禁止使用金属梯子。
A . A、检修区域内
B . B、带电区域内
C . C、临近带电线路
D . D、生活区域内
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对于存储的冠字号码能与取款人取款业务信息关联的，查询受理单位在履行查询程序后，应在《查询结果
A.部分B.所有C.前十个
B.所有C.前十个
C.前十个
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Do you ever feel like the weather is out to get you? All week long, it seems, you sit inside at school while the sun shines outside. Then, as soon as the weekend comes, the sky turns gray. There's rain in the forecast. In some ways, you may be right. Weekend weather differs from weekday weather in certain places, say researchers who studied more than 40 years of weather data from around the world. They focused on temperature differences between daytime highs and nighttime lows. This difference measurement is called the daily temperature range, or DTR. Part of the study involved 660 weather stations in the continental United States. At more than 230 of these sites, the average DTR for Saturday, Sunday, and Monday was different from the average DTR for Wednesday, Thursday, and Friday, the researchers found. The difference was small only several tenths of a Celsius degree-but the pattern was striking enough to make the scientists take notice. In the southwestern U. S., temperature ranges were typically broader on weekends. In the Midwest, weekdays saw larger daily temperature variations. This sort of weekly rise and fall doesn't line up with any natural cycles, the researchers say. Instead, they blame human activities, possibly air pollution from those activities, for these weather effects. For example, tiny particles in the air could affect the amount of cloud cover, which would in turn affect daily temperatures. So, tiny windborne particles from California, generated on weekdays, might first affect weather close to home in the southwest, then later influence midwestern weather. It looks like your weekend weather has a lot to do with which way the wind blows and where it comes from.It can be concluded that ______.A．the sky always turns gray only on weekends.B．in the Midwest, weekdays saw larger daily temperature variations sometimes.C．this difference measurement is called DTR, meaning the daytime temperature range.D．part of the study involved 660 weather stations only in the United Nation.
A.B.C.D.,E.F.G.H.ItI.A．theJ.B．inK.C．thisL.D．partM.
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钨钴类硬质合金的刚性、可磨削性和导热性较好，一般用于切削（）和有色金属及其合金。
A、碳钢
B、工具钢
C、合金钢
D、铸铁
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土壤中的重金属以（）的活性毒性最大，（）的活性毒性最小，其他（）的活性毒性居中。
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经验表明，变压器刻度选择焊接范围在（）之间，可以获得最佳丝束焊接效果。
A、4〜6
B、4〜8
C、6〜8
D、8〜TO
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Section ADirections:This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.
A．They were schoolmates.B．They are very good friends.C．They were both businessmen years ago.D．They are professors of a certain university.
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采购订单上输的税率是指（）
A.进项税 B.所得税 C.消费税
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胎儿脊柱裂表现明显是在多少孕周后（）
A.孕17周后 B.孕16周后 C.孕18周后 D.孕19周后 E.孕20周后
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具备下列哪项条件的公司可以只设执行董事，不设董事会？（）
A.经济效益欠佳
B.规模较小
C.业务形式单一
D.股东人数较少
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