动车组转向架上安装的速度传感器的型号、用途分别是什么？

曾国藩在一封家书中，谈到他的四弟拟入京读较好的学校时说：“苟能发奋自立，则家塾可读书，即旷野之地，热闹之场，亦可读书，负薪牧豕，皆可读书。苟不能发奋自立，则家塾不宜读书，即清净之乡，神仙之境，皆不能读书。”有些人在要读书的时候，在书台前装腔作势，埋怨说他们读不下去，因为房间太冷，板凳太硬，或光线太强。也有些作家埋怨说他们写不出东西来，因为蚊子太多，稿纸发光，或马路上的声响太嘈杂。宋代大学者欧阳修说他的好文章都在“三上”得之，即枕上，马上和厕上。 这段文字的核心观点是( )

A．读书需要好的环境

B．曾国藩不注重读书环境

C．读书写作与环境并无必然联系

D．文章要在“三上”得之

For all the dinner table, a glass of milk seems to be a constant , at least it was when I was growing up．It was widely believed that milk was integral in building strong bones and teeth. There’s no doubt that dairy products(乳制品), and milk in particular, are high in protein and calcium, and most milk products are supplemented with Vitamin D and A．

While it’s well known that our bones need calcium, some studies suggest that high calcium intake doesn’t necessarily lower a person’s risk for fractures（骨折）． A Harvard study found that people who drank two or more glasses of milk had no greater protection from breaking a bone than those who drank a glass or less a week．

There’s no doubt that we need calcium, Some anti-dairy supporters claim that dairy can lead to heart disease． Much of this claim is based on high fat and high dairy products, like cheeses and creams, which may indeed contribute to cardiovascular problems． Some studies have linked high milk intakes with a risk of prostate cancer; this seems to be caused by high-fat dairy products, not dairy in general．

Although milk was always regarded as one of the most important thing we need for our bones, yet least promoted, factors involved in strengthening bones. Perhaps we should think of dairy as less like a nutrient and more like a food. If you like it, eat it．If not, find some others． Because some claims may not be completely true, when I eat a cream, I’m not thinking about calcium, protein, or any such thing. I’m thinking delicious．

61．Which of the following is TRUE on the milk?

A．The more milk you drink, the more risk for fractures you might be．

B．The more milk you drink, the less risk for fractures you might be．

C．The less milk you drink, the less risk for fractures you might be．

D．There is no link between them．

62．Some anti-dairy supporters claim that dairy can lead to except______．

A．cardiovascular problems                     B．heart disease

C．prostate cancer                             D．stomach cancer

63．The underlined words “some others” in the last paragraph refer to_____．

A．dairy products               B．milk               C．food               D．cream

64．What’s the author’s attitude towards milk?

A．He doesn’t like milk any more

B．He used to drink milk as a child．

C．He regards milk as a nutrient．

D．He always cares about calcium, protein when he eats something．

65．We can learn from the text that_____

A．All the claims are not completely true ．

B．High milk intakes can lead to cancer．

C．It’s necessary for you to reduce milk intakes．

D．Give up milk for your health．

相对于GSM系统来说，功率控制对CDMA系统更加重要，因为功率控制有控制CDMA系统干扰的作用，而干扰水平又对CDMA系统容量至关重要。

2001年颁布的（），标志着我国第八次课程改革的开始。

A．《中华人民共和国义务教育法》

B．《全日制普通高级中学课程计划(试验)》

C．《基础教育课程改革纲要(试行)》

D．《中小学教材编写审定管理暂行办法》

生产同样一只茶杯，甲耗费了3小时劳动时间，乙耗费了4小时劳动时间，丙耗费了2小时劳动时间，三只茶杯在同一市场上出售，这时（）

A.甲生产的茶杯价值量大

B.乙生产的茶杯价值量大

C.丙生产的茶杯价值量大

D.三者的茶杯价值量一样大