| Is language, like food, a basic human
need without which a child at a critical period of life can be starved and
damaged Judging from the drastic experiment of Frederick Ⅱ in the thirteenth
century, it may be. Hoping to discover what language a child would speak if he
heard no mother tongue, he told the nurses to keep silent. All the infants died before the first year. But clearly there was more than lack of language here. What was missing was good mothering. Without good mothering, in the first year of life especially, the capacity to survive is seriously affected. Today no such severe lack exists as that ordered by Frederick. Nevertheless, some children are still backward in speaking. Most often the reason for this is that the mother is insensitive to the signals of the infant, whose brain is programmed to learn language rapidly. If these A. (A) he is born with the capacity to speak B. (B) he has a brain more complex than an animal’s C. (C) he can produce his own sentences D. (D) he owes his speech ability to good nursing [单项选择]时间继电器在继电保护装置中的作用是（）。
A. 计算动作时间； B. 建立动作延时； C. 计算保护停电时间； D. 计算断路器停电时间。 [单项选择]( )是指物质资料从供应者到需要者的物理性流动，是创造时间和空间价值的经济活动。
A. 物流 B. 商流 C. 信息流 D. 技术流 [单项选择]N-ISDN定义的网络终端设备和用户设备之间的数字位管道接口是 (36) 。在 N-ISDN定义的基本速率接口中，B信道的数据速率是 (37) kb/s，D信道的数据速率是 (38) kb/s。在一条64 kb/s的理想信道上，传送一个100 KB的文件需要的时间是 (39) 秒。
A. BRI和DRI B. BRI和PRI C. FRI和DRI D. FRI和PRI [单项选择]
Design of all the new tools and implements is based on careful experiments with electronic instruments. First, a human "guinea pig" is tested using a (31) tool. Measurements are taken (32) the amount of work done, and the buildup of heat in the body. (33) joints and stretched muscles cannot (34) as well, it has been found, (35) joints and muscles in their (36) positions. The same person is then tested again, using a tool designed according to the suggestions made by Dr. Tichauer. All these tests have shown the great (37) of the new designs over the old. [判断题]围油栏是用来防止水上溢油或其他漂浮物的进一步扩散的一种机械漂浮栅栏。
A.正确 B.错误 [单项选择]电烧伤后局部创面感染最常见的细菌是（）
A. 金黄色葡萄球菌 B. 大肠埃烯菌 C. 铜绿假单胞菌 D. 厌氧菌 E. 真菌 [单项选择]心肌缺氧时，导致冠脉舒张的主要因素
A. 前列腺素 B. 组胺 C. 腺苷 D. H+ [判断题]基本电价是指按用户用电设备容量计算的电价。（ ）
A.正确 B.错误 [单项选择]
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