机车动轮踏面有1：10及（）锥度的两段斜面。

[单选题]From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased. Many linguists believe that evolution is 4 for our ability to produce and use language. They 5 that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, 9 a function of the growth of the brain during childhood. Therefore there are critical 10 times for language development. Current 11 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 12 , more and more schools are discovering that foreign languages are best taught in 13 grades. Young children often can learn several languages by being 14 to them, while adults have a much harder time learning another language once the 15 of their first language have become firmly fixed. 16 some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 17 from other human beings do not possess language. This demonstrates that 18 with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language 19 than any innate capacities. These theorists view language as imitative, learned behavior. 20 , children learn language from their parents by imitating them. Parents gradually shape their child's language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones. 请在5处填上正确答案（）

[单选题]下列何种属于深感觉检查（）

[问答题]如何根据矿物的硬度特性来选择不同的破碎方式？

[多选题]技术的一般属性是（）

[单选题]大型干粉灭火系统一般采用（）作为动力气体。

[填空题]HTML文本的开头和结尾标签分别是（）、（）。

[单选题]70岁，肺结核患者，咳血痰2天，次日晚突然大咯血，鲜血从口鼻涌出。用力屏气后出现烦躁不安，极度呼吸困难，面部青紫，表情恐怖，大汗淋漓，双眼上翻。此时最可能发生的并发症是（）

[单选题]风湿性心脏病主动脉瓣关闭不全的主要表现是（　）

[多选题]甲公司与乙公司签订一份货物买卖合同，现甲公司拟将其全部权利义务转让给丙公司，则下列说法错误的是（）。

[问答题]试叙述油气藏的开发地质特征

[填空题]机车动轮踏面有（）及1：10锥度的两段斜面。

[填空题]机车动轮踏面有（）及1：10锥度的两段斜面。

[填空题]机车动轮踏面有1：20及1：1 0锥度的两段斜面；其中（）段的踏面是与轨面经常接触的部分。

[填空题]机车动轮踏面有1：20及1：10锥度的两段斜面；其中（）一段的踏面是与轨面经常接触的部分。

[填空题]机车动轮踏面有1：20及1：10锥度的两段斜面；其中（）一段的踏面是与轨面经常接触的部分。

[填空题]机车动轮踏面有1：10及（）锥度的两段斜面。

[填空题]机车动轮踏面有1：10及（）锥度的两段斜面。

[填空题]机车动轮踏面有1：10及（）锥度的两段斜面。

[多选题]机车动轮踏面有（）锥度的斜面。

[填空题]机车动轮踏面有1：20及1：1 0锥度的两段斜面；其中（）段的踏面是与轨面经常接触的部分。