早教吧作业答案频道 -->英语-->
1.Hesat?her?thestairs.A.towatch,toclimbB.watching,toclimbC.watching,climbD.watching,toclimbing2."Youhavecomejustintimetohelpus.""Fine,whatneeds??A.IdoB.beingdoneC.tobedoneD.todo3.Itisconsiderednogoog?wit
题目详情
1.He sat ? her ? the stairs. A.to watch,to climb B.watching,to climb C.watching,climb D.watching,to
climbing 2."You have come just in time to help us." "Fine,what needs ? ? A.I do B.being done C.to be done D.to do 3.It is considered no goog ? without understanding. A.recite B.to be recited C.recited D.reciting 4.I object to ? . A.make fun of B.making fun of C.be made fun of D.being made fun of
climbing 2."You have come just in time to help us." "Fine,what needs ? ? A.I do B.being done C.to be done D.to do 3.It is considered no goog ? without understanding. A.recite B.to be recited C.recited D.reciting 4.I object to ? . A.make fun of B.making fun of C.be made fun of D.being made fun of
▼优质解答
答案和解析
1.c
2.c
3.d
4.d
2.c
3.d
4.d
看了 1.Hesat?her?th...的网友还看了以下：
a=xa+a=a+x2a=a+x2a-2x=a+x-2x2（a-x）=a-x2=1到底a=xa+a= 2020-03-30 …
1.a≠0,b≠0,则a/|a|＋b/|b|的不同取值的个数为（）A.3B.2C.1D.02.若|x 2020-03-31 …
数集A满足条件若a∈A则有(1+a)/(1-a)∈A(a≠1)数集A满足条件若a∈A则有（1+a） 2020-04-05 …
基本不等式超费解130已知a>b>0,求a2+1/（a*b)+1/[a*(a-b)]的最小值.a2 2020-05-13 …
设A为n阶方阵且满足条件A*A+A-6E=0,证明:A-E及A+3E可逆,并求它们的逆.设A为n阶 2020-05-14 …
线性代数题：设A为n阶方阵,A*是A的伴随矩阵,如果/A/=a≠0,则/A*/=（）设A为n阶方阵 2020-05-15 …
设集合A={1,a,b},B={a,a^2,ab}且A=B,求实数A,B的值因为集合需要满足互异性 2020-05-15 …
a-a+1/a＝a*a+1/a其中的奥妙是什么?a+1/a是一个数！a-(a+1/a)＝a*(a+ 2020-05-16 …
假设集合A满足以下条件：诺a∈A,a不等于1,则1-a分之1属于A若a属于A,则1-a分之一属于A 2020-07-03 …
递回关系式的运算公式(数列)以下是推导一个公式"a=a+r(1-p^n)/(1-p)"的过程a=p* 2021-01-13 …