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It has not been determined how long sea turtles can live in their natural environment, but they will reach a very old age if ( ) by human. A. left undisturbing B.left undisturbed C. leave undisturbing D. leaving undisturbing. Ó¦¸ÃÑ¡Äĸö£¿ÎªÊ²Ã´£¿Ï£Íû¸ßÊÖ°ïæ·ÖÎö¡£Ð»Ð»£¡ ¸öÈËÇãÏòÑ¡A£¬by humanÒâζןþäΪ±»¶¯¾ä¡£ |
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ysm56789
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2Â¥2010-02-18 20:01:56
3Â¥2010-02-18 21:54:12
ysm56789
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Entrez1110(½ð±Ò+2):thanks! 2010-02-19 12:09
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ÕâÊÇÎÒÒ»¸ölocalͬѧµÄ»Ø´ð£º B sounds like the correct one to me. I don't know the technical reason for it, but my feeling is that you should use past-tense for it, because it's talking about what will happen (reach a very old age) if something else _has happened_ (past tense). Also, I don't think I've ever come across "undisturbing" as a word. |

4Â¥2010-02-19 06:53:41
lengbingyu
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5Â¥2010-02-19 08:22:27
shinegrass
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ysm56789(½ð±Ò+2):¸ÐлӦÖú 2010-04-22 06:41
ysm56789(½ð±Ò+2):¸ÐлӦÖú 2010-04-22 06:41
| BÐéÄâÓïÆø°É£¬Óë¹ýÈ¥Ïà·´£¬Ê¡ÂÔÁËÒ»²¿·Ö£¬if they were left undishturbed ¡¡ |

6Â¥2010-03-24 13:22:12
liunianyihui
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ysm56789(½ð±Ò+1):¸ÐлӦÖú 2010-04-22 06:41
ysm56789(½ð±Ò+1):¸ÐлӦÖú 2010-04-22 06:41
| Ñ¡B Ê×ÏÈÐéÄâÓïÆøÅųýºóÁ½Ï ±»¶¯Óï̬ÅųýµÚÒ»Ïî |

7Â¥2010-03-25 15:48:48
liuevans
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8Â¥2010-03-26 14:47:44
sunflower3127
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I think it is a subjunctive sentence,too. From the latter part of the sentence, we can easily realize that it means "Èç¹ûûÓб»ÈËÀà´òÈŵϰ£¬ËüÃÇ»á»îºÜ³¤Ê±¼ä"¡£Õâ¾ä»°ÊôÓÚÐéÄâÓï¾äÖдӾäµÄzÖ÷ÓïºÍbe¶¯´Ê£¨they were£©Ê¡ÂÔ¡£ |
9Â¥2010-04-28 11:59:25
yangliguo007
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| Ñ¡B£¬left±í±»¶¯£¬undisturbedΪÐÎÈÝ´Ê£¬±í״̬¡£ |

10Â¥2010-04-29 17:27:16













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