【判断题】用单位力法求解静不定结构的位移时,单位力只能加在原静不定结构上。
【单选题】Dear sir, Thank you for your kind letter of December 11, 2003. We are happy to know that our paper entitled 'Purification of Clostridium perfringens phospholipas C (@-toxin) by affinity chromatography...
【简答题】阅读理解: Letter 1 December 1, 2009 Dear Mr. John Campbell, We have received your letter of November 20, 2009 about your latest model of mountain bikes, in which we are very much interested. We believe th...
【简答题】阅读理解。 December 25, 2006 Dear Rose, How are you? I like your programmes very much. They're very interesting and I can learn a lot from them. I like travelling and I have won a free four-week trip to En...
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to offe...
【简答题】听音,填空。 December 23 Dear Jing, 1____________ family is 2____________ 3____________ 4____________ the Christmas holiday. Yesterday I 5____________ Mr. Smith 6____________ the Christmas 7____________. 8_...
【单选题】My brother's birthday is _________ December 12th. [ ]
【简答题】用力法解超静定结构的思路是什么?什么是力法的基本体系、基本结构和基本未知量?为什么首先要计算基本未知量?基本体系与原结构有何异同?基本体系与基本结构有何不同?
【单选题】December 13th, 2005 Dear Sirs, I am very happy to apply for the position of secretary, which you advertised in China Daily of December 10, 2005. I have been working as a secretary at a college office....
A.
she has difficulty handling her daily work efficiently
B.
she can hardly get a chance to be promoted
C.
she finds her present job too challenging
D.
she is tired of her duties at the college