ijͬѧΪ̽¾¿µçÁ÷ͨ¹ýµ¼Ìå²úÉúÈÈÁ¿µÄ¶àÉÙ¸úµç×èµÄ¹Øϵ£¬Éè¼ÆÁËÈçϵç·ͼ£¬ÆäÖÐÕýÈ·µÄÊÇ( )

A. B. C. D.

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄê½Ì¿Æ°æ°ËÄ꼶ϲáÎïÀí µÚÊ®¶þÕ µÚÒ»½Ú »úеÄÜ ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÈýÏ¿Ë®¿âÐÞ½¨´ó°Ó£¬ÎªÁËÌá¸ßˮ룬Ôö¼ÓË®µÄ £¨ £©

A. ÄÚÄÜ B. ÖØÁ¦ÊÆÄÜ C. µ¯ÐÔÊÆÄÜ D. ¶¯ÄÜ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄê½Ì¿Æ°æ¾ÅÄ꼶ÉϲáÎïÀí µÚÒ»Õ µÚÈý½Ú ±ÈÈÈÈÝ ÌâÐÍ£º¼ÆËãÌâ

ÖÊÁ¿Îª100g¡¢³õÎÂÊÇ24¡æµÄʵÐĽðÊôСÇòÎüÊÕ2.3¡Á103JµÄÈÈÁ¿Ö®ºó£¬Î¶ÈÉý¸ßµ½74¡æ£®ÄÇô£¬ÕâÖÖ½ðÊôµÄ±ÈÈÈÈÝÊǶàÉÙ£¿´Óϱí¿ÉÖª´Ë½ðÊôÊÇʲô£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄê½Ì¿Æ°æ¾ÅÄ꼶ÉϲáÎïÀí µÚÒ»Õ µÚÈý½Ú ±ÈÈÈÈÝ ÌâÐÍ£ºµ¥Ñ¡Ìâ

°ÑÖÊÁ¿ÏàµÈµÄÁ½¸öÌú¿é´Ó·ÐË®ÖÐÈ¡³ö£¬²¢Á¢¼´Í¶ÈëÖÊÁ¿ÏàµÈ£¬³õÎÂÏàͬµÄúÓͺÍË®ÖУ¬Ôò£¨¡¡¡¡£©

A. úÓͺÍˮζÈÉý¸ßÏàͬ    B. úÓÍζÈÉýµÃ¸ß    C. Ë®µÄζÈÉýµÃ¸ß    D. ÎÞ·¨Åж¨

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄ껦¿Æ°æ¾ÅÄ꼶ÎïÀí 16.4¿Æѧ̽¾¿£ºµçÁ÷µÄÈÈЧӦ ͬ²½²âÊÔ ÌâÐÍ£ºÌî¿ÕÌâ

¶î¶¨¹¦ÂÊÊÇ1500WµÄµçÈÈË®ºøÕý³£¹¤×÷3.5min£¬°ÑÖÊÁ¿Îª1kgζÈΪ30¡æµÄË®¼ÓÈÈÖÁ·ÐÌÚ£¨ÔÚ±ê×¼´óÆøѹÏ£©£¬ÔòË®ÎüÊÕµÄÈÈÁ¿ÊÇ________ J£¬µçÈÈË®ºøÏûºÄµÄµçÄÜÊÇ________J£®[cË®=4.2¡Á103J/£¨kg•¡æ£©]£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄ껦¿Æ°æ¾ÅÄ꼶ÎïÀí 16.4¿Æѧ̽¾¿£ºµçÁ÷µÄÈÈЧӦ ͬ²½²âÊÔ ÌâÐÍ£ºµ¥Ñ¡Ìâ

СÃ÷¼ÒµÄµçÈÈ̺Äڵĵç×èË¿¶ÏÁË£¬Ëû°Ö°Ö°Ñ¶ÏÁ˵ĵç×èË¿´îÔÚÒ»Æ𣬵çÈÈ̺ÈÔÄÜʹÓ㬵«²»¾ÃÓÖ»áÔÚ´î½Ó´¦Éնϡ£»áÔÚ´î½Ó´¦ÉնϵÄÔ­ÒòÊÇ£¨ £©

A. µç×èË¿ÉÏ´î½Ó´¦µç×è½ÏС£¬Ôì³É¾Ö²¿¹ýÈÈ

B. µç×èË¿ÉÏ´î½Ó´¦µç×è½Ï´ó£¬Ôì³É¾Ö²¿¹ýÈÈ

C. µç×èË¿ÉÏ´î½Ó´¦µçÁ÷±ÈÆäËü´¦µçÁ÷С£¬Ôì³É¾Ö²¿¹ýÈÈ

D. µç×èË¿ÉÏ´î½Ó´¦µçÁ÷±ÈÆäËü´¦µçÁ÷´ó£¬Ôì³É¾Ö²¿¹ýÈÈ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄêÈ˽̰æ°ËÄ꼶ϲáÎïÀí µÚʮՠµÚÈý½Ú ÎïÌåµÄ¸¡³ÁÌõ¼þ¼°ÆäÓ¦Óà ÌâÐÍ£ºÌî¿ÕÌâ

DZˮͧÊÇ¿¿¸Ä±ä________À´ÊµÏÖ³Á¸¡µÄ£»ÂÖ´¬ÊÇ×ö³É¿ÕÐÄÔö´óÅÅË®Á¿£¬Ôö´ó________¶øÖƳɵģ»ÈÈÆøÇò¡¢³äÆøÆøÇòºÍ·ÉͧÊÇ¿¿¸Ä±ä×ÔÉí________¶ø¸Ä±ä________À´ÊµÏÖÉý½µµÄ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄêÈ˽̰æ¾ÅÄ꼶ÎïÀí µÚ¶þʮһÕ µÚ4½Ú Ô½À´Ô½¿íµÄÐÅϢ֮·¡¡Í¬²½Á·Ï° ÌâÐÍ£ºÌî¿ÕÌâ

¼ÆËã»ú¿ÉÒÔ¸ßËÙ´¦Àí´óÁ¿ÐÅÏ¢£¬°Ñ¼ÆËã»úÁªÔÚÒ»Æ𣬿ÉÒÔ½øÐÐÍøÂçͨÐÅ£®ÊÀ½ç¸÷µØµÄ¼ÆËã»ú»¥ÏàÁ¬½Ó£¬³ÉΪÊÀ½çÉÏ×î´óÓмÆËã»úÍøÂ磬³ÆΪ________£®¼ÆËã»úÖ®¼äµÄÁ¬½Ó£¬¿ÉÒÔʹÓÃ________µÈ¸÷ÖÖͨÐÅÊֶΣ¬Ä¿Ç°Ê¹ÓÃ×îƵ·±µÄÍøÂçͨÐÅÓÐ________µÈ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2017-2018ѧÄê½Ì¿Æ°æ¾ÅÄ꼶ÉϲáÎïÀí µÚÎåÕ µÚÒ»½Ú Å·Ä·¶¨ÂÉ ÌâÐÍ£ºÌî¿ÕÌâ

µ±Ä³µ¼ÌåÁ½¶ËµçѹÊÇ4.5Vʱ£¬Í¨¹ýËüµÄµçÁ÷ÊÇ0.45A£¬Ôò¸Ãµ¼ÌåµÄµç×èÊÇ ¦¸£¬µ±ËüÁ½¶ËµçѹΪ0·üÌØʱ£¬¸Ãµ¼ÌåµÄµç×èΪ ¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸