there is "b"and "x" in the world "box"

there is band x in the world box Look there!He ____my sister.A is B is and C and is D is with and there is more There ( ) four chairs and a desk in the room.A.are B.is C.be D.x there _ a pen and abook A.is B.are There ( ) a boy and some apples.A is B are there is no______between you and me.there is no______between you and me.a、different b、difference c、diffcult d、differences There is ( ) apple and ( )banana. Six and there is n_____ and there is another intersting There is a bed,( )and( ) There is hardly any mistake in the composition,and it is well organized,____?A.is there B.isn't it C.isn't there D.is itWhy 一道大一的微积分题目 Consider the function f(x) = xx; x > 0.(a) Find f0(x) and f00(x).(b) Solve f0(a) = 0.Is there any b > 0 such that f00(b) = (c) It is clear that f0(x) < 0 for x < a and f0(x) > 0 for x > a.Therefore f is decreasing on(0; There is only one year beween ___A .him and me B.he and me 为什么? there is a big park ____many flowers and trees.A.has B.with C.and There’s little meat and milk in the refrigerator, ?A.is there B. hasn't there C.isn't there D.has there 为什么是A there is little milk in the fridge,______?________,I'll go and buy some.A.is there,yes B is there ,no ____ is difference between A and B.A,There B,It C,Where D,what why?