题目:
汽车音响(卡带式)收音或放音均出现时有时无的现象,但在某一位臵,时有时无现象消失,则可能是由于音量电位器接触不良引起的。()
答案:
参考答案:对
汽车音响(卡带式)收音或放音均出现时有时无的现象,但在某一位臵,时有时无现象消失,则可能是由于音量电位器接触不良引起的。()
参考答案:对
有两个灯泡,L1标有“6V 3W”的字样,L2没有标记,测得L2电阻为6Ω,把它们串联在电路中,两灯均正常发光,那么该电路两端电压和L2的电功率分别是( )
A.12V, 3W
B.12V,1.5W
C.9V,3W
D.9V,1.5W
美蓝可治疗亚硝酸盐中毒,临床上主张______较好( )。
A.大剂量注射
B.大剂量口服
C.小量皮下多点注射,待皮肤转白
D.溶于葡萄糖静脉慢注,待皮肤转红
E.大量皮下多点注射,待皮肤转红
One day as a boy and his father were taking a walk in the woods, they saw lying beside a half-fallen tree a pair of shoes. An old workman was cooling his feet in a neighboring stream. The son, in a spirit of 36 ____ , picked up some small pebbles (卵石)and said, “I will put these in the old fellow’s shoes, and it’ll be great fun when he tries to put them on.” “I 37 ____ if you will get much fun out of that,” said the father, “ 38 ____from his clothes, he must be a poor man. And his life is hard. Would there be fun in 39 ____ his troubles? If you were to surprise him in a 40 ____ way, say by putting a coin in each shoe, you would probably enjoy more.” The boy adopted the 41 ____ of his father and slipped a silver coin into each shoe. Then they hid behind a tree to watch the 42 ____ of their trick. After a while, the old man came back to his work and slipped his right foot into his shoe. 43 ____ something hard in the shoe he 44 ____ his foot to see what was inside. He discovered the coin. A(n) 45 ____look came over his face. He turned the coin over and over in his hand, and gazed at it in astonishment. As he looked at it, he felt with his foot for the other shoe, which also held a coin. Then 46 ____ clasping his hands together, he fell upon his 47 ____ and prayed. The boy and his father 48 ____ from his words that his poor wife was sick and 49 ____at home, and that his orphaned grandchildren were suffering starvation, while he was struggling to earn a living. “The kind helper has gone,”cried the old man, “without even waiting to be thanked. But 50____he may go, my blessing shall seek him out and be 51 ____him to the end of life. May God keep him from poverty, 52 ____ him against evil and ever fill his heart with warmth and joy, 53____ he has filled mine today.” The boy and his father listened to the most heart-felt words in the world, eyes 54 ____. “Now I call this the best kind of fun”,said the father, “So,you see, fun may lead to 55 ____as well as to laughter. Of all the pleasures of life, those that are expressed by tears rather than laughter are the most blessed”.
|
DWDM传输系统网络同步时钟采用主从同步方式,各个网元通过SDH运载的2Mb/s支路信号传送的定时同步信号使用。()
关于原始客户需求,不合适的态度是()。
A.客户应该提供所有需求
B.客户需求一旦投入开发了,就不能变更
C.客户应该为需求质量负责
D.需求天生有缺陷,我们不应该控制需求