in+a+study+conducted+in

咸倩看3609I++will++study++hard+at++schoo++++++++++++++这甚么意思 -
伏婕冰13663509631 ______ 意思是我将在学校努力学习

咸倩看3609He found it impossible - ---- - in a noisy room. A.study B.to study C.studing D.to studing -
伏婕冰13663509631 ______ B.to study 为正确选项.这是find it+形容词+to do sth 句型,发现做某事怎么样.【俊狼猎英】团队为您解答.祝你进步!

咸倩看3609All the afternoon he worked in his study with the door . -
伏婕冰13663509631 ______[选项] A. to lock B. locking C. locked D. lock

咸倩看3609In order to find - __ - better job, he decide to study - __ - second foreign language. -
伏婕冰13663509631 ______[选项] A. the; a B. a; a C. the; the D. a; the

咸倩看3609a handful of+(uc.)?+(c.)? -
伏婕冰13663509631 ______ a handful of+可数名词复数/不可数名词单数 1.A handful of sand is an anthology of the universe. 一把沙就是宇宙的一本选集. 2. Grandmother dust a handful of rice to the chicken. 祖母撒了一把米给鸡吃. 3. There was a handful of clay in the bank ...

咸倩看3609英语选择题 最好有详解答案 -
伏婕冰13663509631 ______ 9.C. it is 问的是你的名字是...,所以用it.在肯定回答里不能省写.11. A. English 戴帽子的男孩是英国人.be+English, Chinese(形容词性),表示是哪一国的人.或者,也可以用 be +a/an+ Englishmen/American13.C. in, on in the building; on ...

咸倩看3609∫ln(x+a)/(x+b)dx -
伏婕冰13663509631 ______ 答:∫In(x+a)/(x+b)dx=∫[(In(x+a)-In(x+b)]dx=∫In(x+a)dx-∫In(x+b)dx=(x+a)[In(x+a)-1]-(x+b)[In(x+b)-1]+C=(x+a)In(x+a)-(x+b)In(x+b)+b-a+C C是常数.这里说一下,∫In(x+a)dx=∫In(x+a)(x)'dx=xIn(x+a)-∫{[In(x+a)]'*x}dx=xIn(x+a)-∫[x/(x+a)]dx=xIn(x+a)-∫[1-a/(x+...

咸倩看3609在三角形abc中角a b c的对边分别为abc,已知4sin[(A - B)/2]+4sinAsinB=2+根号2(1)求角C=?(2)已知b=4,三角形ABC面积=6,求边长C=? -
伏婕冰13663509631 ______[答案] 漏了平方:4sin²[(A-B)/2]+4sinAsinB=2+根号2 2[1-cos(A-B)]+4sinAsinB=2+根号2 2-2cos(A-B)+4sinAsinB=2+根号2 -2cos... cosAcosB+sinAsinB-2sinAsinB=-√2/2 cosAcosB-sinAsinB=-√2/2 cos(A+B)=-√2/2 A+B=135° ∴C=45° S△ABC=1/2...