初三语法题Are the two answers correct?No, correct. A no one is B both are notC neither is D either is not请再说明一下为什么不选其它答案

初三语法题Are the two answers correct?No, correct. A no one is B both are notC neither is D either is not请再说明一下为什么不选其它答案 there is a pen and two books on the desk.还是there are a pen and two books on the desk?对这语法不懂,急用! There are two rooms on the first floor,_____is used as guest room.ps：求定语从句的特殊语法 where are the two women The two balls are same Are the two studens brother? 初三2题首字母填空1.Tere are 20 people at the dinner ,i____ the host and two children.2.--What is the little girl p____ at --A panda. _____ of the land in that district_____ covered with trees and grass.A.Two fifth;isB.Two fifth;areC.Two fifths;isD.Two fifths;are请选出答案并说明为什么这样选,有什么语法根据! 求助: I think ___ of the materials I listen to at the beginning of the exam ___ easy.A. two thirds ... isB. second three ... areC. two thirds ... areD. two third ... are前面的二、三是什么意思?是什么语法?答者重谢 SAT数学真题if the length of LM is 7 and the length of MN is 8,which of the following could be the length of LN(LM MN LN are vectors)ANS:14 问大家一道GMAT语法题Computers are becoming faster,more powerful,and more reliable,and so too are modems,they are the devices to allow two or more computers to share information over regular telephone lines.(A) so too are modems,they are the d i have two apples and a banana on the table和 THERE ARE two apples and a banana on the table这2句语法那句有问题?I HAVE 是错误,THERE ARE 是对的. MATLAB函数调用程序问题function [x1 x2]=T(a,b,c)d=b*b-4*a*c;if d> T(1,2,-1)ans =There are two answers!as =0.9142 -1.9142ans =0.9142最后一行ans=0.9412是什么东西,我找不出问题在哪?求指教 there are two computers in the room.对（two)提问 There are two dishes on the table.对two提问. There are two dogs in the pictune(two提问) There are two paths in the forest.对two提问? there are two shirts on the wall对two提问