關(guān)于逗號(hào)的問(wèn)題，都出現(xiàn)在選擇題當(dāng)中，常常會(huì)給我們?cè)O(shè)置陷阱。我們具體來(lái)看一下。
1._________ is reported, the project was completed yesterday.
A. It B. As C. This D. What
【分析】許多同學(xué)會(huì)忽略了句子中間的逗號(hào)而認(rèn)為此題是主語(yǔ)從句，于是將答案誤選為A。把It當(dāng)作句子的形式主語(yǔ)，況且It is reported 也是一個(gè)常用句型，讀起來(lái)也很有英語(yǔ)語(yǔ)感。而事實(shí)上，答案選錯(cuò)了，因?yàn)樵谥髡Z(yǔ)從句中的連接詞that不能省略。正確答案應(yīng)該選B，構(gòu)成一個(gè)非限制性定語(yǔ)從句。
2. The purpose of new technologies is to make life easier, __________________ it more difficult.
A. not make B. not to make C. not making D. do not make
【分析】許多同學(xué)會(huì)一看到句子中的逗號(hào)就會(huì)想到此題是考查非謂語(yǔ)動(dòng)詞表結(jié)果的用法：現(xiàn)在分詞表結(jié)果時(shí)，跟句子間可用逗號(hào)隔開;而不定式表結(jié)果時(shí)，與句子間常不用逗號(hào)。于是將答案誤選為 C。其實(shí)，在此句中，逗號(hào)相當(dāng)于連詞and 或 but, not to make it more difficult是與逗號(hào)前面不定式 to make it easier相并列，對(duì)之進(jìn)行補(bǔ)充或說(shuō)明，因此答案應(yīng)該選B。全句的意思是：新技術(shù)的目的是為了使生活變得更容易，并不是使生活變得更困難。兩個(gè)不定式在句子中作表語(yǔ)說(shuō)明主語(yǔ)的內(nèi)容。有如此用法的詞還有 idea, suggestion, hope, goal, aim, dream 等，如：
3.(1) My idea is to visit the museum, _________ to the park.
A. not go B. not going C. not to go D. do not go
(2) My dream is not to live on the earth but __________________ on the moon.
A. live B. living C. to live D. being living
同學(xué)們不難看出，以上兩題的答案都是C。但值得一提的是：不定式并列作表語(yǔ)時(shí)，若否定的不定式在前而肯定的不定式在后，一般須用but連接，而不用逗號(hào)。
4.(1) If he is only interested in your books, _________ just shows how shallow he is.
A. as B. which C. what D. that
(2) If you want to go, _________ is quite all right with me. (from www.nmet168.com)
A. that B. which C. and it D. so
(3) When I say two hours, __________________ includes time for eating.
A. as B. which C. what D. that
(4) If you want a double room, _________ will cost another $ 15.
A. as B. which C. what D. that
(5) If you have the money, _________ will be OK.
A. that B. which C. and it D. so
(6) Unless I’m very much mistaken, _________ is my watch you are wearing.
A. as B. which C. what D. that
它們的答案也應(yīng)該選 that，而不應(yīng)該選 which。 (from www.nmet168.com)
5. There were a lot of people in the reading-room, most of _________ with their heads bent down over their books.
A. them B. whom C. that D. which
【分析】許多同學(xué)會(huì)根據(jù)句子中的逗號(hào)，想當(dāng)然地認(rèn)為這是考查非限制性定語(yǔ)從句，從而將答案誤選為 B。但事實(shí)上，逗號(hào)后面由于沒(méi)有謂語(yǔ)動(dòng)詞，根本不是完整的句子，而是一個(gè)“代詞。
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