ÌâÄ¿ÄÚÈÝ
ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéÖУ¬ÐèÒª½«ÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚˮƽľ°åÉÏ£¬ÏðƤÌõµÄÁíÒ»¶ËϵÁ½¸ùϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ë¶¼ÓÐÉþÌ×£¬ÓÃÁ½¸öµ¯»É³Ó·Ö±ð¹´×¡ÉþÌ×£¬»¥³É½Ç¶ÈµØÀÏðƤÌõ£¬²¢¼Ç¼Êý¾Ý¡£ÔÙÓÃÒ»¸öµ¯»É³ÓÀÏðƤÌõ²¢¼Ç¼Êý¾Ý¡£
£¨1£©Ä³Í¬Ñ§ÈÏΪÔڴ˹ý³ÌÖбØÐë×¢ÒâÒÔϼ¸Ïîµ±ÖеÄij¸öÑ¡ÏÆäÖÐÕýÈ·µÄÊÇ_____£¨ÌîÈëÏàÓ¦µÄ×Öĸ£©
A£®Á½¸ùϸÉþ³¤¶ÈÒ»¶¨ÏàµÈ
B£®ÔÚʹÓõ¯»É³ÓʱҪעÒâʹµ¯»É³ÓÓëľ°åƽÃæƽÐÐ
C£®Á½Éþ¼Ð½Ç±ØÐëΪ90º
D£®ÔÚÓÃÁ½¸öµ¯»É³ÓͬʱÀϸÉþʱҪעÒâʹÁ½¸öµ¯»É³ÓµÄ¶ÁÊýÏàµÈ
E£®ÔÚÓÃÒ»¸öµ¯»É³ÓÀʱ½«ÏðƤÌõµÄÐαäÁ¿±£Ö¤ÓëÁ½¸öµ¯»É³ÓͬʱÀʱÏðƤÌõÐαäÁ¿Ïàͬ¼´¿É¡£
£¨2£©±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ ______ £®
A£®µÈЧÌæ´ú·¨ B£®¿ØÖƱäÁ¿·¨
C£®ÀíÏëʵÑé·¨ D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿