öλÔÓéÀֵǼÈë¿ÚÏÂÔØ

¡¡¡¡As we know£¬ smoking is harmful to one's health. ÈçÎÒÃÇËùÖª£¬ÎüÑÌÓк¦½¡¿µ¡£

¡¡¡¡The sun heats the earth£¬ which is very important to us. Ì«ÑôʹµØÇòůÆðÀ´£¬Õâ¶ÔÎÒÃÇÈËÀàºÜÖØÒª¡£

¡¡¡¡µäÐÍÀýÌâ

¡¡¡¡1£©Alice received an invitation from her boss£¬ ___came as a surprise.

¡¡¡¡A. it¡¡ B. that¡¡ C. which¡¡¡¡D. he

¡¡¡¡´ð°¸C. ´ËΪ·ÇÏÞ¶¨ÐԴӾ䣬²»ÄÜÓà thatÐÞÊΣ¬¶øÓÃwhich.£¬it ºÍhe ¶¼Ê¹ºó¾ä³ÉΪ¾ä×Ó£¬Á½¸ö¶ÀÁ¢µÄ¾ä×Ó²»Äܵ¥ÒÔ¶ººÅÁ¬½Ó¡£¿öÇÒÑ¡he¾äÒⲻͨ¡£

¡¡¡¡2£©The weather turned out to be very good£¬ ___ was more than we could expect.

¡¡¡¡A. what¡¡B. which¡¡C. that¡¡D. it

¡¡¡¡´ð°¸B.which¿É´úÌæ¾ä×Ó£¬ÓÃÓÚ·ÇÏÞ¶¨ÐÔ¶¨Óï´Ó¾ä£¬¶øwhat²»¿É¡£That ²»ÄÜÓÃÓÚ·ÇÏÞ¶¨ÐÔ¶¨Óï´Ó¾ä£¬it²»ÎªÁ¬´Ê£¬Ê¹ÓɶººÅÁ¬½ÓµÄÁ½¸ö¾ä×Ó²¢ÔÚÒ»ÆðÔÚÓ¢ÓïÓï·¨ÉÏÐв»Í¨¡£

¡¡¡¡3£©It rained hard yesterday£¬ ____ prevented me from going to the park¡­¡­

¡¡¡¡A. that¡¡B. which¡¡¡¡C. as¡¡ D. it

¡¡¡¡´ð°¸B. as ºÍwhichÔÚÒýµ¼·ÇÏÞÖÆÐÔ¶¨Óï´Ó¾äʱ£¬ÕâÁ½¸ö¹Øϵ´ú´Ê¶¼Ö¸Ö÷¾äËù±í´ïµÄÕû¸öÒâ˼£¬ÇÒÔÚ¶¨Óï´Ó¾äÖж¼¿ÉÒÔ×÷Ö÷ÓïºÍ±öÓï¡£µ«²»Í¬Ö®´¦Ö÷ÒªÓÐÁ½µã£º

¡¡¡¡£¨1£©as Òýµ¼µÄ¶¨Óï´Ó¾ä¿ÉÖÃÓÚ¾äÊ×£¬¶øwhich²»¿É¡£

¡¡¡¡£¨2£© as ´ú±íÇ°ÃæµÄÕû¸öÖ÷¾ä²¢ÔÚ´Ó¾äÖÐ×÷Ö÷Óïʱ£¬´Ó¾äÖеÄνÓï±ØÐëÊÇϵ¶¯´Ê£»ÈôΪÐÐΪ¶¯´Ê£¬Ôò´Ó¾äÖеĹØϵ´ú´ÊÖ»ÄÜÓÃwhich.¡£ÔÚ±¾ÌâÖУ¬preventÓÉÓÚÊÇÐÐΪ¶¯´Ê£¬ËùÒÔÕýÈ·Ñ¡ÏîӦΪB.

¡¡¡¡as µÄÓ÷¨

¡¡¡¡Àý1. the same¡­as£»such¡­as ÖеÄas ÊÇÒ»Ö̶ֹ¨½á¹¹£¬ ºÍ¡­¡­Ò»Ñù¡­¡­¡£ÀýÈ磺

¡¡¡¡I have got into the same trouble as he £¨has£©¡£ ÎÒÅöµ½Á˸úËûÒ»ÑùµÄÂé·³¡£

¡¡¡¡Àý2. as¿ÉÒýµ¼·ÇÏÞÖÆÐԴӾ䣬³£´øÓÐ'ÕýÈç'.ÀýÈ磺

¡¡¡¡As we know£¬ smoking is harmful to one's health. ÈçÎÒÃÇËùÖª£¬ÎüÑÌÓк¦½¡¿µ¡£

¡¡¡¡As is known£¬ smoking is harmful to one's health.

¡¡¡¡AsÊǹØϵ´ú´Ê¡£Àý1ÖеÄas×÷knowµÄ±öÓÀý2ÖУ¬Ëü³äµ±´Ó¾äµÄÖ÷ÓνÓﶯ´ÊknowÒªÓñ»¶¯Ê½¡£