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sat 语法题求助,1.Despite research( on the diagnosis of) heart disease and the use of (increasingly) sophisticated technology (in its treatment),the condition of coronary arteries (is) still difficult to assess precisely.可是我觉得its 指代 一个车间计划用30天生产900台机床,实际前5天生产了145台,照这样计算,能不能按时完成任务? 甲,乙两个车间原计划装配机床180台,甲车间完成了计划的112%,乙车间完成了计划的110%,这样共装配机床200台,两个车间比原计划多装几台?列二元一次方程解决问题AB两地相距500km,甲乙两汽车由AB 已知x+y=0.2 x+3y=1 求3x²+12xy+12y² 已知x²-12xy-28y²=0（x≠0,y≠0),求（2x+3y)/28 问两道SAT 语法题IE题.2009年5月的Early rock and roll music ,like jazz and the blues ,celebrated characteristics of urban life that was once only disparaged :loud ,repetitive city sounds were reproduced as raucous melodies and insistant rhyth 请教两道SAT语法真题!高手请进!谢谢!第一道是改文章里面的改句子,我觉得B和E都可以(其它明显错误选项我就不列了),为什么答案是E?B有什么错?文章(只和第一段有关,我就只打了第一段,可能有 1.Our team has worked for several 我觉得原句是对的,因为that后面指的是关于science fair的东西可是答案是months on a robot that we plan to enter in the robotics division of the science fair2.The hummingbird may appear to be a del 某车间计划每天生产88个零件,要25天完成,由于提高功效结果比原计划提前5天完成任务……某车间计划每天生产88个零件,要25天完成,由于提高功效结果比原计划提前5天完成任务,实际每天比原 甲,乙两个车间原计划装配机床180台,甲车间完成了计划的112%,乙车间完成了计划的110%,这样共装配机床200台,两个车间比原计划多装几台?（只设未知数、列方程组、不解） 因式分解：（1）（x-y）²-2（x-y）+1（2）（x+1）²-4x（x+1）+4x² 一道SAT语法题A thick growth of sunflowers （standing ten feet tall,their brown heads drooped） over the fence with the weight of their seeds,这道题里面有2个及其纠结的选项A.standing ten feet tall,their brown heads droopedB.stood t 一道 SAT 语法题For more than a century,wooden ships called "skipjacks" were regularly used to harvest oysters in Chesapeake Bay, but only a few such vessels remain in service today.答案是没错For+时间段,不是应该用完成时吗?这里 甲乙两车间装配车床都超额完成计划,甲车间超额10%,乙车间超额14%,两车间共超额12.2%,乙车间比甲车间多装配132台,甲乙两车间原计划装配车床多少台? 一道SAT语法题,In the past,many famous painters meticulously ground their own colors,（an attention to detail that is noteworthy.）(A) an attention to detail that is noteworthy(B) inasmuch as they showed attention to detail,it is noteworthy(C) 求一道SAT语法题:That it is deemed necessary to shield television viewers from ads concerning pressing public issues while ( they are being bombarded with commercial pithes for beer and sports utility vehicles is a sad commentary on the state of 一道SAT语法题求助!The image of Uncle Sam, in his red and white striped pants and blue coat, is used at certain times to elucidate a feeling of patriotism in Americans. No error是一道划线改错题,划线部分是：of,in his,certain和 车间里有三台机器同时出现故障,已知第一台到第三台的修复时间分别为七分钟26分钟14分钟,每台机器停产一分钟造成的损失是10元现在只有一名修理工怎样合理安排修复时间才能损失最少? 在1小时内,甲乙丙三台机床需要维修的概率分别是0.1,0.2,0.15,求1小时内,至多有一台机床需要维修的概率? 一道SAT的语法题New Zealand had fostered a thriving local music scene for decades,but it was not until the late 1980s (when) New Zealand musicians began to reach international audiences.答案是When,为什么When是错的? 一道sat语法题The Great Gatsby is now considered a classic novel set in America's Jazz Age,but in 1925 ITS REVIEWS WOULD BE MIXED AND ITS SALES WOULD HAVE BEEN DISAPPOINTING.大写部分是画线部分A.its reviews would be mixed and its sales wo 一道SAT语法真题题求教07年10月题Annual vistors (to) NYC's Central Park( number)( almost )ten times (that of Mount Rushmore）选that of Mount Rushmore.不确定哪错了,难道是要在that前加as?. SAT几道语法题1、Jerome often referred to art history textbooks while he was sculpting ; whenever he learned a new method in art class,he （seeks out） the work of sculptors who had used it in the past.括号里怎么错了?2、As he eagerly a 几道SAT语法题目1.In many large cities in the United States,a presence of a culturally diverse population has led to repeated calls (that) curricula taught wholly or partly in languages other than English.括号里的that 是错的,应该改为f 因式分解(x-1)＋b平方(1-x) 计算题1+1/2+1/3+1/4+1/5+1/6+1/7+1/8+.+1/101原题1+1/（1+1）+1/（1+2）.1/（1+100） 酵母菌差速离心后得到细胞质基质,装入试管后加入丙酮酸和氧气,此时能不能生成酒精和二氧化碳,为什么?如果不能,氧气起到了怎样的影响? 为什么植物细胞的含水量,会影响植物呼吸作用的强度? 生物呼吸作用疑问温度通过影响酶的活性来影响细胞呼吸速率,高温和低温对呼吸速率的影响效果一样吗? 如果我在建设银行存了50000块,一年后的利息是多少? 2013年建行在网银上存了 两年定期利息是多少 因式分解x平方-13xy-36y平方