英语翻译a number were silent films with music tracks,or films prepared in dual versions,to take account of the many cinemas not yet wired for sound.主要谁能给我解释一下a number were 是什么结构,

英语翻译a number were silent films with music tracks,or films prepared in dual versions,to take account of the many cinemas not yet wired for sound.主要谁能给我解释一下a number were 是什么结构, the number of people invited___fifty,but a number of them__absent for different reasonsa:were;was b:was;was c:was;were d:were ;were 英语翻译They were still subject to a number of discriminating laws regarding chioce of jobs ,dress ,and where they could sit in pulic places 英语翻译lectures were used in the past as good way of teaching a larger number of students.As new technology is now available for education. 英语翻译Give a number n base b The number of people invited was fifty,but a number of them were absent for different reasons.the number of和a number of 英语翻译When people think of tigers,they think:strong and dangerous.But now,the big animal is calling for our help.There were once eight kinds of tigers in the world,but three died out during the 20th century.In the last 70 years,the number of Si A great number of buildings were _____A great number of buildings were _____ (destroy) and.many people were homeless in the heavy flood 英语翻译Forty-eight populations of barley landraces collected from Morocco were screened for resistance to powderymildew and a number of different resistance genes were detected.Landraces originated from the collection of theInternational Center 英语翻译Abstract The production of human interferon gamma (hIFN-γ) using a synthetic gene in Escherichia coli BL21-SI was optimized by response surface methodology (RSM) and a Box-Behnken design.The process variables studied were temperature,bio _____people who were actually saved form the earthquake was small.A.a number of B.a great number ofC.the number ofD.numbers of a number of 和the number of 的区别now a large number of chinese people ________working in africa ,and the number of the chinese peopel_______more than one millionA.is;are B.are; is C.was ;were D.were ;was A number of students___interested in sports now A.is B was C.are D .were 英语翻译if 17 more than a number is 5 more than three times the number,what is the number? 英语翻译If f less than 3 times a certain number is 2more than the number,what is the number? a number 英语翻译si mi ma se!wa ta xi wa a la to o yi xi te yi ma si! 英语翻译RESULTS:We found that VEGF and pRB2/p130 expression were inversely correlated.Additionally,high grade tumors presented a significantly lower number of cells expressing pRb2/p130 when compared to low grade tumors.A significant positive cor