1 __________boy is riding a bike,he is my younger brother 2 The pears are big, would you like to buy__________pear? 3 she can play __________baseball. 4 Don't worry!I will finish __________work in 2 minutes. 5 There is__________snake is in the wate

1 __________boy is riding a bike,he is my younger brother 2 The pears are big, would you like to buy__________pear? 3 she can play __________baseball. 4 Don't worry!I will finish __________work in 2 minutes. 5 There is__________snake is in the wate 英语翻译Let (S,R) be a poset.Show that (S,R^-1) is also a poset,where R^-1is the inverse of R. he is r good? And it is often r[ ]. a rectangular game board is composed of identical squares arranged in a rectangular array of r rowsa:r^2-rb:r^2-1c:r^2d：r^2+1e:r^2+ra rectangular game board is composed of identical squares arranged in a rectangular array of r rows and r+1columns.t R^1+R^2+R^3=10.R=? 2r+2/r²+2r+1+r-1/r+1+r 化简 which one is different from others?1 H2 J3 K4 R There is ( )''r''in the word''rice''. Beijing Opera is r enjoyable（填空） My mother is r busy every day My pencil box is in my r(.) This r（ ）p（ ）is beautiful. She is doing ervironment r首字母填词 everyone is r .let's start 会计中R&D is written-off Our school is (r )nice.首字母填空, His face is 后面什么 r开头