hcg343.64

1._ in thought ,he almost ran into the car in front of him.A.Losing B.Having lost C.Lost D.To lose(应该选C,我知道 lost 是形容词,可为什么这里可以用）2.European football is played in 80 countries ,_it the most popular sport in the w 加法逆运算是什么 "加法和减法互为逆运算"对吗? （）是加法的逆运算 加法和减法互为逆运算吗? 减法是不是加法的逆运算 如图所示,为了推动一个大橱,某人找了两块木板,搭成一个人字形,他往中间一站,橱被推动了,设橱和墙壁间的距离为s,两木板的长均为L（L略大于s /2),人重为G,1,为什么木板能产生很大推力?2,如 非谓语动词英语题一道,____ more people,we are sure to finish the task before six;A.to giveB.GivenC.to be givenD.Having given选哪个?本人菜鸟. 英语非谓语动词习题1.If they ___as I___them,they would complete it in time.A.did,told B.did,had told C.had done,had told D.had done,told2.The situation there was much worse than he___.A.expected B.had expected C.has expected D.would expected3 英语非谓语动词练习1.She got off the bus,_______ (leave) her handbag on seat.2.She got off the bus,but _______ (leave) her handbag on seat.3.Britney Spears,Pop Princess,is on her way to __________(become) one of the hottest pop stars in the w 3,4大题 关于几道物理题目（能答几题答几题）小明在校田径运动会上100m赛跑时,某裁判员听到发令枪向后才开始按表计时,成绩是10.21s,问计时员的方法正确吗?若不正确,计时员计多还是几少了?小明在 975×99+975 简便计算 975-147-23怎样简便运算? 6048+975-3045怎么简便运算 975-147-63简便计算 非谓语动词习题,求详解.It was in the very place the climate is very dry that the scientist discovered the poisonous plant.A,that B,where C,how D,why已知正确选项是B,求分析 非谓语动词的习题解析1.She has no tencil _____.A.to write about B.to write withC.to write D.to write in2.All flights _____ because of the storm,they decided to take the train.A.having canceled B.were canceledC.have been canceled D.having bee 关于非谓语动词的几道题 求详解对这块总是不精通 很晕 以下A都是对的答案,B是我选的错答案,不要简单一句话哦,本人底子差,1:(),one needs much practice.A:to learn swimming well; B:learning swimming well2:the 求二次函数a的开口方向,怎么判断 二次函数开口方向一个方程 y =-3x平方-6X+2开口方向是看现在的还是看化解以后的? I love you not for who you are,but for who I am with you. I love you not for who you are,but for who I am with you. 为什么说被开方数中不含分母 如果被开方数不相同怎么进行二次根式的加减? √8中被开方数是什么? 影响农业区位的因素有哪些? 请问基塘农业、立体农业改造的主要农业区位因素是地形,这里的“改造”要怎么理解 比较呼吸作用与光合作用 一分子C02从叶肉细胞的线粒体基质中扩散出来,进入一相邻细胞的叶绿体基质内,共穿越过的生物膜层数是?A.5 B.6 C.7 D.8为什么选B? 给好评噢.书面表达那题 已知函数f(x)=x^3+bx^2+cx+d在x=2你还没有我做得多