下列现象中不能说明光在均匀介质中沿直线传播的是（） A．小孔成像 B．日食现象 发布时间：2017-05-05 16:53 │ 来源：www.tikuol.com 题型：选择题 问题： 下列现象中不能说明光在均匀介质中沿直线传播的是（ ）A．小孔成像 B．日食现象C．一叶障目D．平面镜成像
题型：选择题 完形填空。 Bill Trew worked on the night shift(夜班) in an old coal mine called Park Deep. Day and night 180 miners worked underground there, more than 6,00 feet 1 .They all took their 2 of night work, but Bill always worked at night. he said he 3 it. One day he came home as usual at half past seven in the morning. He had his 'Supper', 4 hecalled it, and went to bed. An 5 dream troubled his sleep. 6 , the only thing he rememberedabout it was- a throbbing(跳动) blue light. Bill got up in the afternoon as usual. It was a 7 getting up-because he could still see the bluelight in front of his eyes. As the evening 8 darker, the light grew stronger. Bill got ready for the night shift. But by 8 o'clock the blue light was so bright that he could 9 see anything else. He andhis wife were very puzzled. Bill had never been 10 before. "Don't go to work,"Mrs.Trew said. "If it isn't better 11 tomorrow, I'll have to send for the doctor."Bill didn't go to work. He sat in an armchair, 12 but with closed eyes. 13 then the blueness waslike a living thing. It surrounded him, silent, throbbing. The family went to bed but Bill wasn't 14 : hestayed in his armchair. At 11 o'clock a long, loud explosion(爆炸) 15 the ground. Bill opened his eyes and 16 to hisfeet. The blue light was 17 ! He rushed outside. Someone shouted, "Gas! gas in Park Deep! Oh pitythe night shift!" The gas explosion killed 179 men in Park Deep. The mine was destroyed 18 .Bill Trew has never 19 wondering. The blue light: why did it make him the only man 20 for work that night?( ) 1.A. down ( ) 2.A. order ( ) 3.A. decided ( ) 4.A. what ( ) 5.A. uneasy ( ) 6.A. Afterwards( ) 7.A. regular ( ) 8.A. turned ( ) 9.A. possibly ( )10.A. fearful ( )11.A. for ( )12.A. awake ( )13.A. Just ( )14.A. serious ( )15.A. shook ( )16.A. struggled( )17.A. gone ( )18.A. at last ( )19.A. stood ( )20.A. unfair B. around B. time B. preferred B. because B. unusual B. However B. fresh B. developed B. hardly B. calm B. within B. frightened B. Till B. tired B. destroyed B. rose B. left B. at all B. stopped B. unreasonableC. off C. share C. suited C. when C. extra C. ThereforeC. late C. grew C. probablyC. safe C. by C. clear C. From C. free C. attackedC. jumped C. frozen C. for everC. kept C. unfit D. away D. list D. needed D. as D. ordinary D. Meanwhile D. strange D. fell D. immediately D. sick D. on D. relaxed D. Even D. troubled D. broke D. bent D. lost D. for all D. delayed D. unacceptable 查看答案
题型：选择题 能够实现“解除客户进入平安银行的银银平台基础“的交易操作是（）A.执行“修改三方协议签约客户信息（599204）“交易 B.执行“三方协议解约（599203）“交易 C.执行“黄金账户解约（599211）“交易 D.执行“贵金属账户解约（599312）“交易 查看答案
题型：选择题 甲、乙二人共同出资组成一合伙企业，因企业效益一般，二人欲再寻一位有经营之道的人人伙，恰好丙正想加入，甲、乙二人便口头表示同意，并与丙约定丙负责销售业务，并且如果企业效益转好，可给丙一定利润提成。此后，丙便积极地以合伙企业的名义到处活动进行交易。但企业仍然效益一般，并负有对外债务若干。后来，该合伙企业因违法经营问题严重，被工商部门依法吊销营业执照，该合伙企业解散。合伙企业的债权人在得知这一消息后，纷纷要求甲、乙、丙三人偿还所欠债务。依《合伙企业法》的规定，下列有关丙的表述正确的是：A．丙应对合伙企业的债务以个人财产承担连带责任B．丙不应对合伙企业的债务以个人财产承担连带责任C．丙在合伙企业存续期间的行为无效D．丙在合伙企业存续期间的行为有效 查看答案