Without facts,we cannot form a worthwhile opinion for we need to have factual knowledge __________ our thinking.A.upon which to base B.which to be based onC.which to base upon D.to which to be based______________ that they may eventually reduce the amount of labor needed on construction sites by 90 percent.A.Such construction robots are clever B.So clever the construction robots areC.So clever are the construction robotsD.Such clever construction robo
Without facts,we cannot form a worthwhile opinion for we need to have factual knowledge __________ our thinking.
A.upon which to base B.which to be based on
C.which to base upon D.to which to be based
______________ that they may eventually reduce the amount of labor needed on construction sites by 90 percent.
A.Such construction robots are clever
B.So clever the construction robots are
C.So clever are the construction robots
D.Such clever construction robots are
All flights__________ because of the storm,they decided to take the train.
A.having canceled B.were canceled
C.have been canceled D.having been canceled
区分 guilt charge blame accusation 这四个词各自是用在什么场合?
1.疑问词+不定式以及定语从句，末尾的介词往往可以提前，此句是词组base……upon/on……,所以选择A。
2.此句考的是so开头的句子要倒装，所以选择C。AD是such开头，不能作主语，故错。B没倒装。
3.此句中间是用逗号连接的，因此需要有引导词引导从句。可是却没有引导词，因而只能用非谓语动词。BC不是非谓语，排除。
A不是被动，也排除。选D。
区别：
guilt对自己，自责
blame对别人，程度较轻，仅仅责备，埋怨，怪罪
charge 程度严重，控告
accusation 法律术语，控告
ACC
1 B.which to be based upon we need to have factual knowledge __________ our thinking.我们需要基于我们想法的实际知识,也就是表达“实际知识基于我们的想法” 这个含义,可以用 which（指代factual knowledge） ...