ÌâÄ¿ÄÚÈÝ

£¨1£©Èçͼ1ÊÇÓÃË«·ì¸ÉÉæ²â¹âµÄ²¨³¤µÄʵÑéÉ豸ʾÒâͼ£®
¢ñ£®Í¼1ÖТÙÊǹâÔ´£¬¢ÝÊǹâÆÁ£¬ËüÃÇÖ®¼äµÄ¢Ú¢Û¢ÜÒÀ´ÎÊÇ______¡¢______ºÍ______£®£¨Ã¿¿Õ1·Ö£©
¢ò£®ÒÑ֪˫·ìÓëÆÁµÄ¾àÀëL£¬Ë«·ì¼ä¾àd£®ÓòâÁ¿Í·À´²âÁ¿ÁÁÎÆÖÐÐĵľàÀ룮²âÁ¿Í·ÓÉ·Ö»®°å¡¢Ä¿¾µ¡¢ÊÖÂֵȹ¹³É£¬×ª¶¯ÊÖÂÖ£¬Ê¹·Ö»®°å×óÓÒÒƶ¯£¬È÷ֻ®°åµÄÖÐÐÄ¿ÌÏ߶Ô×¼ÁÁÎƵÄÖÐÐÄ£¨Èçͼ2£¨ÒÒ£©Ëùʾ£©£¬¼ÇÏ´ËʱÊÖÂÖÉϵĶÁÊý£¬×ª¶¯²âÁ¿Í·£¬Ê¹·Ö»®°åÖÐÐÄ¿ÌÏ߶Ô×¼ÁíÒ»ÌõÁÁÎƵÄÖÐÐÄ£¬¼ÇÏ´ËʱÊÖÂÖÉϵĶÁÊý£®
£¨2£©·Ö»®°åµÄÖÐÐÄ¿ÌÏß·Ö±ð¶Ô×¼µÚ1ÌõºÍµÚ4ÌõÁÁÎƵÄÖÐÐÄʱ£¬ÊÖÂÖÉϵĶÁÊýÈçͼ2£¨±û£©Ëùʾ£¬Ôò¶Ô×¼µÚ4Ìõʱ¶ÁÊýx2=_______mm£¨ÔÊÐíÎó²î£©
£¨3£©Ð´³ö¼ÆË㲨³¤¦ËµÄ±í´ïʽ£¬¦Ë=______£¨ÓÃx1¡¢x2¡¢L¡¢d±íʾ£¬²»ÓüÆË㣩£®
£¨4£©ÔÚÆÁÉϹ۲쵽Á˸ÉÉæÌõÎÆ£®Èç¹û½«Ë«·ìµÄ¼ä¾à±ä´ó£¬ÔòÆÁÉϵĸÉÉæÌõÎƵļä¾à½«±ä______£»£¨Ñ¡´ó»òС£©
£¨1£©Îª»ñÈ¡µ¥É«Ïß¹âÔ´£¬ÔÚ¹âÆÁÉϲúÉú¸ÉÉæͼÑù£¬°×É«¹âÔ´ºóÃæÒªÓÐÂ˹âƬ¡¢µ¥·ì¡¢Ë«·ì£®
£¨2£©ÂÝÐý²â΢Æ÷µÄ¹Ì¶¨¿Ì¶È¶ÁÊýΪ7.5mm£¬¿É¶¯¿Ì¶È¶ÁÊýΪ0.01¡Á37.0mm=0.370mm£¬Ôò×îÖÕ¶ÁÊýΪ7.870mm£®
£¨3£©ÏàÁÚÌõÎƵļä¾à¡÷x=
x2-x1
3
£¬¸ù¾Ý¡÷x=
L
d
¦Ë
µÃ£¬¦Ë=
¡÷xd
L
=
(x2-x1)d
3L
£®
£¨4£©¸ù¾Ý¡÷x=
L
d
¦Ë
µÃ£¬½«Ë«·ìµÄ¼ä¾à±ä´ó£¬ÔòÆÁÉϵĸÉÉæÌõÎƵļä¾à½«±äС£®
¹Ê´ð°¸Îª£º£¨1£©Â˹âƬ¡¢µ¥·ì¡¢Ë«·ì£»£¨2£©7.870£»£¨3£©
(x2-x1)d
3L
£»£¨4£©Ð¡£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
Èçͼ¼×Ëùʾ£¬Ä³Í¬Ñ§ÔÚ¡°²â¶¨²£Á§µÄÕÛÉäÂÊ¡±µÄʵÑéÖУ¬ÏȽ«°×ֽƽÆÌÔÚľ°åÉϲ¢ÓÃͼ¶¤¹Ì¶¨£¬²£Á§×©Æ½·ÅÔÚ°×Ö½ÉÏ£¬È»ºóÔÚ°×Ö½ÉÏÈ·¶¨²£Á§×©µÄ½çÃæaa¡äºÍbb¡ä¡£OΪֱÏßAOÓëaa¡äµÄ½»µã¡£ÔÚÖ±ÏßOAÉÏÊúÖ±µØ²åÉÏP1¡¢P2Á½Ã¶´óÍ·Õë¡£

£¨1£©¸Ãͬѧ½ÓÏÂÀ´ÒªÍê³ÉµÄ±ØÒª²½ÖèÓР        
A. ²åÉÏ´óÍ·ÕëP3£¬Ê¹P3½öµ²×¡P2µÄÏñ
B. ²åÉÏ´óÍ·ÕëP3£¬Ê¹P3µ²×¡P1µÄÏñºÍP2µÄÏñ
C. ²åÉÏ´óÍ·ÕëP4£¬Ê¹P4½öµ²×¡P3
D. ²åÉÏ´óÍ·ÕëP4£¬Ê¹P4µ²×¡P3ºÍP1¡¢P2µÄÏñ
£¨2£©¹ýP3¡¢P4×÷Ö±Ïß½»bb¡äÓÚO¡ä£¬¹ýO¡ä×÷´¹Ö±ÓÚbb¡äµÄÖ±ÏßNN¡ä£¬Á¬½ÓOO¡ä¡£²âÁ¿Í¼¼×ÖнǦÁºÍ¦ÂµÄ´óС¡£Ôò²£Á§×©µÄÕÛÉäÂÊn£½        ¡£
£¨3£©ÈçͼÒÒËùʾ£¬¸ÃͬѧÔÚʵÑéÖн«²£Á§×©½çÃæaa¡äºÍbb¡äµÄ¼ä¾à»­µÃ¹ý¿í¡£ÈôÆäËû²Ù×÷ÕýÈ·£¬ÔòÕÛÉäÂʵIJâÁ¿Öµ       ×¼È·Öµ£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©¡£

ÒÒ
£¨4£©ÔÚÓÃÁ½ÃæƽÐеIJ£Á§×©²â¶¨²£Á§ÕÛÉäÂʵÄʵÑéÖУ¬²£Á§ÕÛÉäÂÊn£½£¬¶ÔʵÑéÖеÄһЩ¾ßÌåÎÊÌ⣬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨  £©
A. ΪÁ˼õС×÷ͼÎó²î£¬P3ºÍP4µÄ¾àÀëÓ¦Êʵ±È¡´óЩ
B. Èç¹ûÔÚ½çÃæaa¡ä¹âµÄÈëÉä½Ç´óÓÚÁÙ½ç½Ç£¬¹â½«²»»á½øÈë²£Á§×©
C. ²»ÂÛ¹âÒÔʲô½Ç¶È´Óaa¡äÉäÈ룬¾­Ò»´ÎÕÛÉäºó´ïµ½½çÃæbb¡ä¶¼ÄÜÉä³ö
D. µ±¹âÔÚ½çÃæaa¡äµÄÈëÉä½Çi£½arctanʱ£¬·´Éä¹âÏ߸úÕÛÉä¹âÏßÇ¡ºÃ´¹Ö±
ÔÚÓÃË«·ì¸ÉÉæ²â¹âµÄ²¨³¤µÄʵÑéÖÐ
£¨1£©±¸ÓÐÏÂÁÐÒÇÆ÷£ºA£®°×³ãµÆ    B.Ë«Õ­·ìƬ    C£®µ¥Õ­·ìƬ   D£®Â˹âƬ   E£®°×É«¹âÆÁ
°ÑÒÔÉÏÒÇÆ÷×°ÔÚ¹â¾ß×ùÉÏʱ£¬ÕýÈ·µÄÅÅÁÐ˳ÐòÓ¦¸ÃÊÇ£º¡¡¡¡¡¡¡¡¡¡       (Ìîд×Öĸ´úºÅ)£®
£¨2£©ÒÑ֪˫·ìµ½¹âÆÁÖ®¼äµÄ¾àÀëÊÇL=500mm£¬Ë«·ìÖ®¼äµÄ¾àÀëÊÇd=0.50mm£¬µ¥·ìµ½Ë«·ìÖ®¼äµÄ¾àÀëÊÇS=£¬Ä³Í¬Ñ§ÔÚÓòâÁ¿Í·²âÁ¿Ê±£¬µ÷ÕûÊÖÂÖÔÚ²âÁ¿Í·Ä¿¾µÖÐÏÈ¿´µ½·Ö»®°åÖÐÐÄ¿ÌÏ߶Ô×¼AÌõÁÁÎƵÄÖÐÐÄ£¬È»ºóËû¼ÌÐøת¶¯£¬Ê¹·Ö»®°åÖÐÐÄ¿ÌÏ߶Ô×¼BÌõÁÁÎƵÄÖÐÐÄ£¬Ç°ºóÁ½´ÎÓα꿨³ßµÄʾÊýÈçÓÒͼËùʾ¡£Ê¾ÊýÒÀ´ÎΪX1="__" __  ___¡¢X2= ___ ___£»²¢Ëã³öÁÁÎƼä¸ôÊý¼ÇΪN ,Ôò¸Ã¹âµÄ²¨³¤±í´ïʽΪ¦Ë=                £¨ÓÃÌâÖиø¶¨µÄ·ûºÅ±íʾ£©£¬²¢Ëã³ö²âÁ¿Öµ¦Ë=           £¨½á¹û±£ÁôÁ½Î»ÓÐЧÊýÖµ£©

£¨3£©ÊµÑéÖз¢ÏÖÌõÎÆÌ«ÃÜ£¬ÄÑÒÔ²âÁ¿£¬¿ÉÒÔ²ÉÓõĸÄÉÆ°ì·¨ÊÇ            £¨²»¶¨Ï
A£®¸ÄÓò¨³¤½Ï³¤µÄ¹â(Èçºì¹â)×÷ΪÈëÉä¹â     B£®Ôö´óË«·ìµ½ÆÁµÄ¾àÀë
C£®Ôö´óË«·ìµ½µ¥·ìµÄ¾àÀë                   D£®Ôö´óË«·ì¼ä¾à

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø