ÈçͼËùʾ£¬¼×¡¢ÒÒ¡¢±ûÈýͼÖеÄ×°ÖÃÍêÈ«Ïàͬ£¬È¼ÁϵÄÖÊÁ¿¶¼ÊÇ10g£¬ÉÕ±­ÄÚµÄÒºÌåÖÊÁ¿ºÍ³õÎÂÒ²Ïàͬ¡£

£¨1£©±È½Ï²»Í¬È¼ÁϵÄÈÈÖµ£¬Ó¦Ñ¡Ôñ______Á½Í¼½øÐÐʵÑ飬ȼÁÏÍêȫȼÉշųöµÄÈÈÁ¿£¬ÊÇͨ¹ý______À´·´Ó³µÄ£¨Ñ¡¡°Î¶ȼÆÉÏÉýʾÊý¡±»ò¡°¼ÓÈÈʱ¼ä¡±£©¡£

£¨2£©±È½Ï²»Í¬ÎïÖÊÎüÈÈÉýεÄÌص㣺

¢ÙӦѡÔñ______Á½Í¼½øÐÐʵÑ飻ÐèÒªµÄ²âÁ¿Æ÷²ÄÈçͼËùʾ£º»¹ÐèÃë±íºÍ______£»

¢Ú²»Í¬ÎïÖÊÎüÈȵĶàÉÙÊÇͨ¹ý______À´·´Ó³µÄ£¨ÌζȼÆʾÊý¡±»ò¡°¼ÓÈÈʱ¼ä¡±£©£»

¢ÛÈçͼ¶¡Ëùʾ£¬ÈôÒºÌåaµÄζÈÇúÏßΪA£¬ÒºÌåbµÄζÈÇúÏßΪB£¬ÇÒÒºÌåbµÄ±ÈÈÈÈÝÊÇ4.0¡Á103J/£¨kg•¡æ£©£¬ÒºÌåaµÄ±ÈÈÈÈÝÊÇ______J/£¨kg•¡æ£©¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2018-2019ѧÄ껦ÔÁ°æÎïÀí¾ÅÄ꼶Éϲá 15.3ÔõÑùʹÓõçÆ÷Õý³£¹¤×÷ ͬ²½¼ì²âÌâ ÌâÐÍ£ºÊµÑéÌâ

ÈçͼËùʾÊÇijͬѧ¡°²â¶¨Ð¡µÆÅݵ繦ÂÊ¡±Ê±Á¬½ÓµÄµç·£¬Ð¡µÆÅݶµçѹΪ2.5V£¬ËùÓõçÔ´µçѹºãΪ3V£®

£¨1£©Á¬½Óµç·ʱ¿ª¹ØÓ¦________ £¬±ÕºÏ¿ª¹ØÇ°»¬¶¯±ä×èÆ÷»¬Æ¬Ó¦Òƶ¯µ½________ ¶Ë£¨Ñ¡Ìî¡°A¡±»ò¡°B¡±£©£®

£¨2£©µç·ÖУ¬________ ±íÁ¬½Ó²»µ±£¬Îª¼õС¶ÁÊýÎó²î±ØÐë¸Ä½Óµ½Á¿³ÌΪ________ £¬µ±»¬Æ¬ÏòB¶ËÒƶ¯Ê±µçÁ÷±íʾÊý________ £¬µçѹ±íʾÊý________ £®

£¨3£©¸ÃͬѧÖØÐÂÕýÈ·Á¬½Óµç·ºó£¬ÊµÑéµÃµ½µÄÊý¾Ý¼ûÏÂ±í£®¸ù¾Ý±íÖмǼ¿ÉµÃСµÆÅݵÚ1´ÎʵÑéÖÐʵ¼Ê¹¦ÂÊΪ________ W£¬¶î¶¨¹¦ÂÊΪ________ W£¬ÆäÁÁ¶ÈËæʵ¼Ê¹¦ÂÊÔö¼Ó¶ø________ £®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2018-2019ѧÄêÔÁ»¦°æ¾ÅÄ꼶ÉϲáÎïÀí 14.2̽¾¿Å·Ä·¶¨ÂÉ Í¬²½²âÊÔ¾í ÌâÐÍ£ºµ¥Ñ¡Ìâ

¶ÔÓÚÒ»¶Îµ¼ÌåÀ´Ëµ£¬¹ØÓÚR=µÄÎïÀíÒâÒåÓÐÏÂÃ漸ÖÖ˵·¨£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©

A. µ¼ÌåÖеĵçÁ÷Ô½´ó£¬Ôòµç×èԽС

B. ¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹԽ´ó£¬Ôòµç×èÔ½´ó

C. µ¼ÌåµÄµç×èµÈÓÚµ¼ÌåÁ½¶ËµÄµçѹÓëͨ¹ýµÄµçÁ÷Ö®±È

D. µ¼ÌåµÄµç×èÓëµ¼ÌåÁ½¶ËµÄµçѹ³ÉÕý±È£¬Óëͨ¹ýµÄµçÁ÷³É·´±È

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2018-2019ѧÄêËÕ¿Æ°æÎïÀí°ËÄ꼶Éϲá 4.4ÕÕÏà»úÓëÑÛ¾¦ ÊÓÁ¦µÄ½ÃÕý ͬ²½¼ì²â ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁйØÓÚÑÛ¾¦ºÍÑÛ¾µµÄ˵·¨Öв»ÕýÈ·µÄÊÇ

A. ÑÛ¾¦ÀïµÄ¾§×´ÌåÏ൱ÓÚ͹͸¾µ B. ½üÊÓÑÛµÄÕÛ¹âÄÜÁ¦Ì«Ç¿

C. Ô¶ÊÓÑÛÖеľ§×´Ìå½¹¾à±äС D. ½üÊÓÑÛ¾µµÄ¾µÆ¬ÊÇ°¼Í¸¾µ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2018-2019ѧÄêËÕ¿Æ°æÎïÀí°ËÄ꼶Éϲá 4.4ÕÕÏà»úÓëÑÛ¾¦ ÊÓÁ¦µÄ½ÃÕý ͬ²½¼ì²â ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁÐËÄ·ùͼ£¬·Ö±ð±íʾ½üÊÓÑÛ³ÉÏñÇé¿öºÍ½ÃÕý×ö·¨µÄÊÇ

A. ¢Ú¢Ù B. ¢Û¢Ù C. ¢Ú¢Ü D. ¢Û¢Ü

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2019½ì¾ÅÄ꼶È˽̰æÎïÀíÈ«²á£ºµÚ14Õ ÄÚÄܵÄÀûÓÿÎʱͬ²½Á·Ï°Ìâ ÌâÐÍ£ºÌî¿ÕÌâ

½¨Öþ¹¤µØÉÏÓÐһ̨´óÐÍÆû³µµõ£¬°Ñ100 t½¨Öþ²ÄÁÏ´ÓµØÃæµõµ½34.4 m¸ß´¦£¬Æû³µµõ×öµÄÓÐÓù¦Îª____J¡£ÔÚÕâ¹ý³ÌÖУ¬Æû³µµõÏûºÄ²ñÓ͵ÄÖÊÁ¿Îª2.0 kg£¬ÔòÍêȫȼÉÕ2.0 kg²ñÓÍÊͷŵÄÄÚÄÜΪ_______J£¬¸Ã¹ý³ÌÖÐÆû³µµõµÄЧÂÊΪ_____%¡££¨²ñÓ͵ÄÈÈֵΪq=4.3¡Á 10 7 J/kg£¬È¡ g=10 N/kg£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2019½ì¾ÅÄ꼶È˽̰æÎïÀíÈ«²á£ºµÚ14Õ ÄÚÄܵÄÀûÓÿÎʱͬ²½Á·Ï°Ìâ ÌâÐÍ£ºµ¥Ñ¡Ìâ

¹ØÓÚÈÈ»ú£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ

A. Ëijå³ÌÄÚȼ»úµÄÎüÆø¡¢Ñ¹Ëõ¡¢ÅÅÆø³å³ÌÊÇ¿¿·ÉÂֵĹßÐÔÍê³ÉµÄ

B. Ëijå³ÌÆûÓÍ»úÔÚ¹¤×÷¹ý³ÌÖУ¬½øÆøÃźÍÅÅÆøÃŶ¼¹Ø±ÕµÄ³å³ÌÖ»ÓÐ×ö¹¦³å³Ì

C. ²ñÓÍ»úµÄЧÂʱÈÆûÓÍ»úµÄ¸ß£¬ÕâÊÇÒòΪ²ñÓ͵ÄÈÈÖµ±ÈÆûÓ͵Ĵó

D. Ëæ×Å¿Æѧ¼¼ÊõµÄ·¢Õ¹£¬ÈÈ»úµÄЧÂÊ¿É´ïµ½100%

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2018-2019ѧÄêËÕ¿Æ°æÎïÀí°ËÄ꼶Éϲá 2.3 ÈÛ»¯ºÍÄý¹Ì ͬ²½¼ì²âÌâ ÌâÐÍ£ºÌî¿ÕÌâ

¹ÌÌå¿ÉÒԷֳɾ§ÌåºÍ·Ç¾§Ìå¡£________ÓÐÈ·¶¨µÄÈ۵㣬________ûÓÐÈ·¶¨µÄÈ۵㡣

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2019½ì¾ÅÄ꼶È˽̰æÎïÀíÈ«²á£º15.5¡°´®¡¢²¢Áªµç·ÖеçÁ÷µÄ¹æÂÉ¡±ÖªÊ¶¹éÄÉÁ·Ï°Ìâ ÌâÐÍ£ºÊµÑéÌâ

СÀöͬѧ½øÐÐ̽¾¿ÊµÑéµÄµç·ÈçͼËùʾ£¬ËýÓõçÁ÷±í·Ö±ðÔÚA¡¢B¡¢CÈý´¦²âµÃµçÁ÷ÈçÏÂ±í¡£Çë°ïËýÍê³ÉÈçϼ¸Ï×÷£º

£¨1£©±È½ÏÉϱíÊý¾Ý£¬¿ÉÒԵóö½áÂÛÊÇ£º____________¡£

£¨2£©Ð¡Àö°ÑµçÁ÷±í½ÓÈëAµã£¬µ±±ÕºÏ¿ª¹Øʱ£¬·¢ÏÖµçÁ÷±íÖ¸ÕëÈçͼËùʾ£¬³öÏÖÕâ¹ÊÕϵÄÔ­ÒòÊÇ_____¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸