Given in the△ABC,a,b,c are three sides of the triangle,and 3a=2b+1c,then∠A is（　　） （英汉

Given in the△ABC,a,b,c are three sides of the triangle,and 3a=2b+1c,then∠A is（　　） （英汉 The United Nations has ___the poor people in the world .A.given support to B.given support for . 又有问题了,请分析此句子The prince was the person () A.in whose honor the ball was given B.whose honor the ball was given He has ( )driving since his illness.A.given up B.given way to C.given in D.given off Everybody in the class must give in ____exercise books within the given time.A.his B.their Peter has -----has career in low to bacome a teacher.A.given up B.given in c.given off Many students __chances to show themselves in class because the class because the class size istoo big.A.aren't given B.haven't given Given the area of △ABC is S1 ,and the length of its three sides are ,10 respectively.And the perimeter of △A′B′C′ is 18 ,its area is S2.Then the relationship between S1 and S2 is S1 S2 .( fill in the blank with >, = or A talk on developments in science and technology in the school hall next week .A.given B.will be given C.has been given D.gives详细点啊 学神学霸学痞快来57.A talk on developments in science and technology _______ in the school hall next week.　　A .given B.will be given C.has been given D.gives _his interest in children,I'm sure teaching is the right career for him.A.given B.giving C.to give D.being given a computer with five thousand books ——to the children in poor areas as a present.A are given B is given Chave been given【请帮忙解释为什么其他两项不行.】 More one student ( )the answer to the difficult maths questions.A.is given B.has given Food ( ) to help the poor.A.given out B.is gave out C.are given away D.is given out .will you be able to attend the lecture_next week?A.giving B.given C.to be given D.being given In english ,the family name is.a.the first name b.the given name c.the last name d .the full name _________,the train started.A.The signal given B.Give the signal C.The signal has given D.The The men left as soon as they ______their orders.A had been given B are given C have been givenA had been given B are given C have been given D given