模拟414

1、tatus of a British Standard ICs 49.060 1 BS EN 2591-414:1998 BS EN 2591441998 been prepared under the Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1998 direction of the Engineering Amd. No. O BSI 1998 ISBN O 580 30713 1 National foreword Date Text affected This British Standard is the English language version of EN 2591414 1998. The UK participation in its preparation was entrusted by Technical Committee ACW6, Aerospace avion。

2、 16-year-old daughter to justice. Ms. Escobedo was outraged after a three-judge panel ignored overwhelming evidence pointing to her daughter“s then boyfriend, a member of a criminal gangs Sergio Barraza, as the killer. The judges“ decision was eventually overturnedbut not before Barraza was released and Escobedo herself murdered this past December, while protesting in front of the Chihuahua state governor“s office. Escobedo“s death was recorded by a security camera and broadcast throughout the 。

3、ECMA) Guiledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Cables, electrical, aircraft use Test methods Part 414: Differential scanning calorimeter (DSC test) Srie arospatiale Cbles lectriques usage aronautique Mthodes dessais Partie 414: Essai DSC Luft- und Raumfahrt Elektrischen Leitungen fr Luftfahrt Verwendung Prfverfahren Teil 414: DSC Verfahre。

4、tion. The dialogues and the questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices A , B, C, and D. （ A） Leave the children at home. （ B） Let the children make the decision themselves. （ C） Arrange some games for the children. （ D） Tell the children some stories. Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are。

5、onal Organization for Standardization (ISO), 2007. All rights reserved. International Electrotechnical Commission (IEC), 2007. All rights reserved. NOT FOR RESALE. National Standard of CanadaCAN/CSA-ISO/IEC 14165-414:08(ISO/IEC 14165-414:2007)International Standard ISO/IEC 14165-414:2007 (first edition, 2007-05) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 14165-414:08, which has been approved as aNational Standard of Canada by the Standards Council of Canada.。

6、yright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-INCITS/ISO/IEC 14165-414-2007 ii ITIC 2007 All rights reserved PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and in。

7、normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 2 What 。

8、The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D. （ A） 3 hours. （ B） 4 dollars. （ C） 5 years old. （ D） 2 minutes ago. （ A） Thats all right. （ B） No, of course not. （ C） Yes, Id love to. （ D） Yes, I would. （ A） Is seven thirty OK? （ B） At the same place. （ C） 4 hours. （ D） Sure. （ A） Dont mention it. （ B） Ive been there. （ C） Its not far from here. （ D） Its very small, bu。

9、enehmigung des DIN Deutsches Institut fr Normung e.V., Berlin, gestattet.ICS 49.060!,x2“9851557www.din.deDDIN EN 2349-414Luft- und Raumfahrt Anforderungen und Prfverfahren fr Relais und Schaltschtze Teil 414: Mechanische Ste;Deutsche und Englische Fassung EN 2349-414:2007Aerospace series Requirements and test procedures for relays and contactors Part 414: Mechanical shock;German and English version EN 2349-414:2007Srie arospatiale Exigences e。

10、 Columbia are shared by （ A） America and Mexico. （ B） America and Canada. （ C） America and Cuba. （ D） America and Brazil. 2 Apart from Paris, France, Montreal is regarded as the largest_city in the world, known as “Paris the Second“. （ A） Spanish-speaking （ B） Portuguese-speaking （ C） German-speaking （ D） French-speaking 3 Canada is bounded on the north by （ A） the Pacific Ocean. （ B） the Atlantic Ocean. （ C） the Arctic Ocean. （ D） the Great Lakes. 4 Which country is known as the Land of Ma。

11、1)是曲线 yf()的拐点3 设 f()在a，) 内二阶可导，f(a) A0，f(a) 0，f()0( a)，则 f()在a，) 内( ) （A）无根（B）有两个根（C）有无穷多个根（D）有且仅有一个根4 下列结论正确的是( ) （A）若 f()可导且单调增加，则 f()0（B）若 f()，g()皆可导且 f()g()，则 f()g()（C）若 f()，g()皆可导且 f()g()，则 f()g()（D）若 f()0，则 f()单调增加5 设 t0，则当 t0 时，f(t) 1cos( 2 y2)ddy 是 t 的 n 阶无穷小量，则n 为( )（A）2（B） 4（C） 6（D）86 设 y1()，y 2()是微分方程 yqy0 的解，则由 y1()，y 2()能构成方程通解的充分条件是( ) （A）y 1y2y 1y20（B） y1y2y 1y20（C） y1y2y 1y20（D）y 1y2y 1y207 设 A 为。

12、t Genehmigung des DIN Deutsches Institut fr Normung e.V., Berlin, gestattet.ICS 49.060!,eC_“9663260www.din.deDDIN EN 3475-414Luft- und Raumfahrt Deutsche und Englische Fassung EN 3475-414:2005Aerospace series Part 414: Differential scanning calorimeter (DSC test);German and English version EN 3475-414:2005Srie arospatiale Partie 414: Essai DSC;Version allemande et anglaise EN 3475-414:2005Alleinverkauf der Normen durch Beuth Verlag GmbH, 10772 Berlin www.beuth.deGesamt。

13、y(x)单调减小，曲线 y=y(x)是凸的（C）函数 y(x)单调增加，曲线 y=y(x)是凹的（D）函数 y(x)单调增加，曲线 y=y(x)是凸的3 累次积分 f(rcos，rsin )rdr 等于4 设数列u n，v n满足 m M ，其中 m，M 是大于零的常数，vn0(n=1，2)考虑以下命题： 若级数 un 发散，则 vn 必发散； 若级数 vn 收敛，则 un 必收敛； 级数 un 与 vn 同时收敛或发散； 当级数vn=1 时，级数 un 必收敛，且其和必介于 m 与 M 之间，其中正确的个数是（A）1（B） 2（C） 3（D）45 设 A 是 nm 矩阵，B 是 mn 矩阵，且 mn，若 AB=E，其中 E 是 n 阶单位矩阵，则必有（A）矩阵 A 的列向量组线性相关，矩阵 B 的行向量组线性相关（B）矩阵 A 的列向量组线性相关，矩阵 B 的列向量组线性相关（C）矩阵 A 的行向量组线性相关，矩阵 B 的行向量组线性相关（D）矩阵 A 的行向量组线性相关，矩阵 B 的列向量组线性相关6 设 A 是任一 。

14、 lot of things do, from outstanding academics or a supportive environment for students to a great football or basketball team. Still, pretty much everyone agrees teaching and learning are central to the mission. High schools are expected to prepare students for further education, work, or the military and eliminate the large gaps in achievement separating different ethnic and income groups of students. These are sensible goals.While there are many great high schools among the nearly 22,000 acros。

15、g(x) 在点 x=0 的某邻域内连续，且 f(x)具有一阶连续导数，满足=0，f(x)=一 2x2+0xg(x 一 t)dt，则( )（A）x=0 为 f(x)的极小值点（B） x=0 为 f(x)的极大值点（C） (0，f(0)为曲线 y=f(x)的拐点（D）x=0 不是 f(x)的极值点，(0，f(0)也不是曲线 y=f(x)的拐点4 计算二重积分 I=01dx（A） 2/32（B）一 2/32（C） /16（D）/45 与矩阵 A= 合同的矩阵是( )6 设 A 是四阶方阵，A *是 A 的伴随矩阵，其特征值为 1，一 1，2，4，则下列矩阵中为可逆矩阵的是( ) （A）A 一 E（B） 2A 一 E（C） A+2E（D）A 一 4E7 已知随机变量(X，Y) 的联合密度函数为则 t 的二次方程 t2 一 2Xt+Y=0 有实根的概率为( )（A）e（B） e 一 1（C） e 一 2（D）e 28 设 X1 ，X 2 ，X n ，是相互独立的随机变量序列，X n 服从参数为n(n=1，2，)的指数分布，则下列不服从切比雪夫大数定律的随机。

16、Fassung EN 2591-414 : 1998 DIN I - E,. LV I ICs 49.060 Deskriptoren: Luft- und Raumfahrt, Verbindungselement, elektrisches Bauelement, Prfverfahren, Steckverbindung Aerospace series - Elements of electrical and optical connection; Test methods - Part 414: Unmating of lanyard release connectors; German version EN 2591 -41 4 : 1998 Srie arospatiale - Organes de connexion lectrique et optique; Mthodes dessais - Partie 41 4: Dsaccouplement des connecteurs lar。

17、iple-choice question, there are four suggested answers marked A, B, C and D. Choose the one that you think is the best answer and mark your answers on ANSWER SHEET TWO. Passage One Lake Trummen in southern Sweden used to be a polluted, weed-choked mess. Now, after a $ 14 million cleanup, bathers crowd its clear blue water in summer. a city of 80,000 that sits on its shores, is vying to be the most environmentally pristine place in Sweden. The towns car fleet is being converted to bioga。