¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¾«Æ·×ÊÁÏÍÆ¼ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
A£®Ôö¹ºx£¬¼õÉÙ y B£®¼õÉÙx£¬ Ôö¹ºy
C£®Í¬Ê±Ôö¹ºx£¬y D£®Í¬Ê±¼õÉÙx£¬y 38£®ÈôÎÞ²îÒìÇúÏßÉÏÈκÎÒ»µãµÄбÂÊdy/dx=-1/2£¬ÕâÒâζ×ÅÏû·ÑÕßÓиü¶àµÄxÉÌÆ·Ê±£¬ËûÔ¸Òâ·ÅÆú£¨ B £©µ¥Î»x¶ø»ñµÃÒ»µ¥Î»y¡£
A£®1/2 B£®2 C£®1 D£®1.5
39£®Ïû·ÑÕßÊ£ÓàÊÇ£¨ C £©¡£
A£®Ïû·Ñ¹ýÊ£µÄÉÌÆ· B£®Ïû·ÑÕߵõ½µÄ×ÜЧÓÃ
C£®Ïû·ÑÕßÂòÉÌÆ·ËùµÃµ½µÄ×ÜЧÓôóÓÚ»õ±ÒµÄ×ÜЧÓò¿·Ö
D£®Ö§³öµÄ»õ±Ò×ÜЧÓÃ
40£®Ïû·ÑÕßÊ£ÓàÊÇÏû·ÑÕߵģ¨ B £©¡£
A£®Êµ¼ÊËùµÃ B£®Ö÷¹Û¸ÐÊÜ
C£®Ã»ÓйºÂòµÄ²¿·Ö D£®Ïû·ÑÊ£Óಿ·Ö
41£®Ä³ÁÓÖÊÉÌÆ·µÄ¼Û¸ñϽµ£¬ÔÚÆäËûÇé¿ö²»±äʱ£¨ C £©¡£
A£®Ìæ´úЧӦºÍÊÕÈëЧӦÏ໥¼ÓÇ¿µ¼Ö¸ÃÉÌÆ·ÐèÇóÁ¿Ôö¼Ó
B£®Ìæ´úЧӦºÍÊÕÈëЧӦÏ໥¼ÝÇá¾ÍÊìµ¼Ö¸ÃÉÌÆ·ÐèÇóÁ¿¼õÉÙ
C£®Ìæ´úЧӦÇãÏòÓÚÔö¼Ó¸ÃÉÌÆ·µÄÐèÇóÁ¿£¬¶øÊÕÈëЧӦÇãÏòÓÚ¼õÉÙÆäÐèÇóÁ¿
D£®Ìæ´úЧӦÇãÏòÓÚ¼õÉÙ¸ÃÉÌÆ·µÄÐèÇóÁ¿£¬¶øÊÕÈëЧӦÇãÏòÓÚÔö¼ÓÆäÐèÇóÁ¿
42£®µ±ÉÌÆ·¼Û¸ñ²»±ä£¬¶øÏû·ÑÕßÊÕÈë±ä¶¯Ê±£¬Á¬½áÏû·ÑÕßÖî¾ùºâµãµÄÇúÏß³ÆÎª£¨ C £©¡£
A£®ÐèÇóÇúÏß B£®¼Û¸ñ¡ªÏû·ÑÇúÏß
C£®ÊÕÈ롪Ïû·ÑÇúÏß D£®¶÷¸ñ¶ûÇúÏß
17
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¾«Æ·×ÊÁÏÍÆ¼ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
43£®¶÷¸ñ¶ûÇúÏß´Ó£¨ C £©µ¼³ö¡£
A£®¼Û¸ñ¡ªÏû·ÑÏß B£®ÐèÇóÇúÏß
C£®ÊÕÈ롪Ïû·ÑÏß D£®ÎÞ²îÒìÇúÏß
44£®ÐèÇóÇúÏß´Ó£¨ A £©µ¼³ö¡£
A£®¼Û¸ñ¡ªÏû·ÑÇúÏß B£®ÊÕÈ롪Ïû·ÑÇúÏß
C£®ÎÞ²îÒìÇúÏß D£®Ô¤ËãÏß
¶þ¡¢¶àÏîÑ¡ÔñÌâ
1£®ÈôÕÅij¹ØÓÚÅ£Ä̶ÔÃæ°üµÄ±ß¼ÊÌæ´úÂÊΪ1/4£¬¼´Ò»µ¥Î»Å£ÄÌÏ൱ÓÚ1/4Ãæ°ü£¬Ôò£¨ BD £©
A£®Å£Ä̼۸ñΪ4£¬Ãæ°ü¼Û¸ñΪ1ʱ£¬ÕÅij»ñµÃ×î´óЧÓÃ
B£®Å£Ä̼۸ñΪ1£¬Ãæ°ü¼Û¸ñΪ4ʱ£¬ÕÅij»ñµÃ×î´óЧÓÃ
C£®Å£Ä̼۸ñΪ10£¬Ãæ°ü¼Û¸ñΪ2ʱ£¬ÕÅijӦÔö¼ÓÅ£Ä̵ÄÏû·Ñ
D£®Å£Ä̼۸ñΪ10£¬Ãæ°ü¼Û¸ñΪ2ʱ£¬ÕÅijӦÔö¼ÓÅ£Ãæ°üµÄÏû·Ñ
2£®Ïû·ÑÕßµÄÎÞ²îÒìÇúÏß¾ßÓУ¨ BCDE £©µÄÌØµã
A£®¾ßÓÐÕýбÂÊ
B£®Ð±Âʵݼõ
C£®ÈÎÒâÁ½ÌõÎÞ²îÒìÇúÏß¶¼²»Ïཻ
D£®Î»ÓÚÓÒÉÏ·½µÄÎÞ²îÒìÇúÏß¾ßÓнϸߵÄЧÓÃˮƽ
E£®Ãܼ¯ÐÔ
3£®Èç¹ûÉÌÆ·X¶ÔÓÚÉÌÆ·YµÄ±ß¼ÊÌæ´úÂÊMRSXYСÓÚXºÍYµÄ¼Û¸ñÖ®±ÈPX/PY£¬Ôò£¨ CD £©
18
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¾«Æ·×ÊÁÏÍÆ¼ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
A£®Ïû·ÑÕß»ñµÃÁË×î´óЧÓÃ
B£®¸ÃÏû·ÑÕßÓ¦¸ÃÔö¼ÓXµÄÏû·Ñ£¬¼õÉÙYµÄÏû·Ñ
C£®¸ÃÏû·ÑÕßÓ¦¸ÃÔö¼ÓYµÄÏû·Ñ£¬¼õÉÙXµÄÏû·Ñ
D£®¸ÃÏû·ÑÕßûÓлñµÃ×î´óЧÓÃ
E£®Ó¦¸Ãµ÷ÕûXºÍYµÄ¼Û¸ñ
4£®Èç¹ûÔÚ±±¾©£¬Ã¢¹ûµÄ¼Û¸ñ±ÈÆ»¹ûµÄ¼Û¸ñ¹ó5±¶£¬¶øÔÚº£ÄÏ£¬Ã¢¹ûµÄ¼Û¸ñÖ»ÊÇÆ»¹û¼Û¸ñµÄ1/2£¬ÄÇôÁ½µØµÄÏû·ÑÕß¶¼´ïµ½Ð§ÓÃ×î´ó»¯Ê±£¬Ôò£¨ BC £©
A£®Ïû·ÑÕßµÄâ¹û¶ÔÆ»¹ûµÄ±ß¼ÊÌæ´úÂʶ¼ÏàµÈ
B£®±±¾©µÄÏû·ÑÕß¶àÂòÆ»¹û£¬¶øº£ÄϵÄÏû·ÑÕß¶àÂòâ¹û
C£®Ã¢¹û¶ÔÆ»¹ûµÄ±ß¼ÊÌæ´úÂÊ£¬±±¾©µÄÏû·ÑÕßÒª´óÓÚº£ÄϵÄÏû·ÑÕß
D£®Æ»¹û¶Ôâ¹ûµÄ±ß¼ÊÌæ´úÂÊ£¬±±¾©µÄÏû·ÑÕßÒª´óÓÚº£ÄϵÄÏû·ÑÕß
E£®ÎÞ·¨È·¶¨
5£®ÈôÕÅij¹ØÓÚÅ£Ä̶ÔÃæ°üµÄ±ß¼ÊÌæ´úÂÊΪ1/4£¬¼´Ò»µ¥Î»Å£ÄÌÏ൱ÓÚ1/4µ¥Î»Ãæ°ü£¬Ôò ( BD )
A£®Å£Ä̼۸ñΪ4£¬Ãæ°ü¼Û¸ñΪ1ʱ£¬ÕÅij»ñµÃ×î´óЧÓÃ
B£®Å£Ä̼۸ñΪ1£¬Ãæ°ü¼Û¸ñΪ4ʱ£¬ÕÅij»ñµÃ×î´óЧÓÃ
C£®Å£Ä̼۸ñΪ10£¬Ãæ°ü¼Û¸ñΪ2ʱ£¬ÕÅijӦÔö¼ÓÅ£Ä̵ÄÏû·Ñ
D£®Å£Ä̼۸ñΪ10£¬Ãæ°ü¼Û¸ñΪ2ʱ£¬ÕÅijӦÔö¼ÓÃæ°üµÄÏû·Ñ
E£®ÒÔÉ϶¼²»¶Ô
6£®Ïû·ÑÕßµÄÎÞ²îÒìÇúÏß¾ßÓÐÒÔÏÂÌØµã ( BCDE )
A£®¾ßÓÐÕýбÂÊ
19
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¾«Æ·×ÊÁÏÍÆ¼ö¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
B£®ÆäбÂʵݼõ
C£®ÈÎÒâÁ½ÌõÎÞ²îÒìÇúÏß¶¼²»Ïཻ
D£®Î»ÓÚÉÏ·½µÄÎÞ²îÒìÇúÏß¾ßÓнϸߵÄЧÓÃˮƽ
E£®Ãܼ¯ÐÔ
7£®Èç¹ûÉÌÆ·X¶ÔÓÚÉÌÆ·YµÄ±ß¼ÊÌæ´úÂÊMRSxyСÓÚXºÍYµÄ¼Û¸ñÖ®±ÈPx/Py£¬Ôò ( CD )
A£®¸ÃÏû·ÑÕß»ñµÃÁË×î´óЧÓÃ
B£®¸ÃÏû·ÑÕßÓ¦¸ÃÔö¼ÓXµÄÏû·Ñ£¬¼õÉÙYµÄÏû·Ñ
C£®¸ÃÏû·ÑÕßÓ¦¸Ã¼õÉÙXµÄÏû·Ñ£¬Ôö¼ÓYµÄÏû·Ñ
D£®¸ÃÏû·ÑÕßûÓлñµÃ×î´óЧÓÃ
E£®Ó¦¸Ãµ÷ÕûXºÍYµÄ¼Û¸ñ
8£®Èç¹ûÔÚ±±¾©£¬Ã¢¹ûµÄ¼Û¸ñ±ÈÆ»¹û¹ó5±¶£¬¶øÔÚº£ÄÏ£¬Ã¢¹ûµÄ¼Û¸ñÖ»ÊÇÆ»¹û¼Û¸ñµÄ1/2£¬ÄÇôÁ½µØµÄÏû·ÑÕß¶¼´ïµ½Ð§ÓÃ×î´ó»¯Ê±£¬( BC )
A£®Ïû·ÑÕßµÄâ¹û¶ÔÆ»¹ûµÄ±ß¼ÊÌæ´úÂʶ¼ÏàµÈ
B£®±±¾©µÄÏû·ÑÕß¶àÂòÆ»¹û£¬¶øº£ÄϵÄÏû·ÑÕß¶àÂòâ¹û
C£®Ã¢¹û¶ÔÆ»¹ûµÄ±ß¼ÊÌæ´úÂÊ£¬±±¾©Ïû·ÑÕßÒª´óÓÚº£ÄÏÏû·ÑÕß
D£®Æ»¹û¶Ôâ¹ûµÄ±ß¼ÊÌæ´úÂÊ£¬±±¾©Ïû·ÑÕßÒª´óÓÚº£ÄÏÏû·ÑÕß
E£®ÎÞ·¨È·¶¨
Èý¡¢Ìî¿ÕÌâ
1£®Ð§ÓÃÊÇÖ¸£¨ÉÌÆ·¾ßÓÐÂú×ãÈ˵ÄÓûÍûµÄÄÜÁ¦£©¡£
2£®»ùÊýЧÓÃÂÛÈÏΪ£¬Ð§ÓÃÓУ¨´óС£©Ö®·Ö£¬ËüÃÇ¿ÉÒÔÓ㨻ùÊý£©À´ºâÁ¿¡£
3£®ÐòÊýЧÓÃÂÛÈÏΪ£¬Ð§ÓÃÖ»ÓУ¨³Ì¶È£©²»Í¬£¬ËüÃÇ¿ÉÒÔÓã¨ÐòÊý£©À´ºâÁ¿¡£
20