C.to be known D.known 2.As we joined the big crowd,I got from my friends A.separated B.spared C.lost D.missed 3.Cleaning women in big cities usually getby the hour. A.pay B.paying C.paid D.to pay 4.The Olympic Games, in 776 B.C.,did not include women players until 1912. A.first playing B.tobe first played C.first plaved D.to be first playing 5.The research is so designed that oncenothing can be done to change it. A.begins B.having begun C.beginning D.begun 6.The television is a machine A.newly-invented B.new-invented C.newly-invent D.newly-invention 7.English is different from English in many ways. A.Spoken.written B.Speaking.written C.Spoken,writing D.Speak,write Kevs:DACCDAA sintroduce relative clauses As”可以用作关系代词引导定语从句。 1.s可以代替整个句子或一件事，引导非限制性定语从句，在从句中作主语、宾语或 表语，意为“正加 。就像 ”:从句位置可置于主句之前或之后，有时也可作 为插入语置于句中， 般用逗号和主句隔 s的这种用法常见于以下这些结构：as we can see,.as can be seen,as we know,as is(wcll known,as may be imagined,as often happens,as has been said before,as was mentioned above, as is often the case,as/indeed it is,etc. 例如： As is well known,great changes have taken place in China 0r, Great changes,.as is well known,.have taken place in China众所周知，中国发生了巨大的 化。(s在定语从句中作主语。) This experiment is very simple,.as indeed it is.实验非常简单，事实上也确实如此。(as在 定语从句中作表语。)C. to be known D. known 2. As we joined the big crowd, I got _ from my friends A. separated B. spared C. lost D. missed 3. Cleaning women in big cities usually get _ by the hour. A. pay B. paying C. paid D. to pay 4. The Olympic Games, _ in 776 B. C. , did not include women players until 1912. A. first playing B. to be first played C. first played D. to be first playing 5. The research is so designed that once _ nothing can be done to change it. A. begins B. having begun C. beginning D. begun 6. The television is a _ machine. A. newly-invented B. new-invented C. newly-invent D. newly-invention 7. _ English is different from _ English in many ways. A. Spoken, written B. Speaking, written C. Spoken, writing D. Speak, write Keys：DACCDAA II. “as” introduce relative clauses. "As”可以用作关系代词引导定语从句。 1. as 可以代替整个句子或一件事，引导非限制性定语从句，在从句中作主语、宾语或 表语，意为“正如.，就像.，据.”；从句位置可置于主句之前或之后，有时也可作 为插入语置于句中，一般用逗号和主句隔开。 as 的这种用法常见于以下这些结构:as we can see, as can be seen, as we know, as is（well） known, as may be imagined, as often happens, as has been said before, as was mentioned above, as is often the case, as/indeed it is, etc. 例如： As is well known，great changes have taken place in China. or: Great changes, as is well known, have taken place in China.众所周知，中国发生了巨大的变 化。( as 在定语从句中作主语。) This experiment is very simple，as indeed it is.实验非常简单，事实上也确实如此。(as 在 定语从句中作表语。)