-
题目:
多选题
A安静状态下呼吸频率为16~20次/min
B男性以腹式呼吸为主
C呼吸与脉搏比例为1:4
D年龄越小,呼吸频率越快
E体温每升1℃,呼吸增加10次/min
答案:
<查看本题扣1积分>
-
-
白激光器也称()激光器。
-
我国2001年和2010年版的国家标准中加上了每种动物的(),对饲养动物的笼架具的大小也作出了明确规定。
-
下列有关单倍体、二倍体和多倍体的叙述正确的是()
-
快运包裹可办理放射性物品”运输。
-
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1处填上正确答案() 请在2处填上正确答案() 请在3处填上正确答案() 请在4处填上正确答案() 请在5处填上正确答案() 请在6处填上正确答案() 请在7处填上正确答案() 请在8处填上正确答案() 请在9处填上正确答案() 请在10处填上正确答案() 请在11处填上正确答案() 请在12处填上正确答案() 请在13处填上正确答案() 请在14处填上正确答案() 请在15处填上正确答案() 请在16处填上正确答案() 请在17处填上正确答案() 请在18处填上正确答案() 请在19处填上正确答案() 请在20处填上正确答案()
-
根据商品的购买方式可将消费品分类为简便品、()和()。
-
对组织活动所做出的整体安排而拟定的计划是指()
-
新鲜的鸡蛋表面清洁,但粗糙,有一层()似的粉末。
-
雷达调制器的任务是,在触发脉冲作用下,产生()脉冲加到()。