ÌâÄ¿ÄÚÈÝ
×óͼΪºÓË®ÖпÅÁ£ÎïÖÊËùÊÜÍâÁ¦×÷ÓÃÀàÐÍÓëºÓÁ÷Á÷ËÙ¡¢¿ÅÁ£ÎïÖ±¾¶Ö®¼äµÄ¹Øϵͼ£¬ÓÒͼΪijÇøÓòµØòʾÒâͼ£¬¶Áͼ»Ø´ðÏÂÁи÷Ìâ¡£
1.Óûʹֱ¾¶Îª0.1mm´¦ÓÚ°áÔË״̬µÄ¿ÅÁ£Îï¶Ñ»ýÖÁºÓ´²£¬ºÓÁ÷Á÷ËÙÖÁÉÙÓ¦½µÎª£¨ £©
A. 0.1cm/s B. 0.5cm/s C. 0.7cm/s D. 30cm/s
2.ϱíÖÐP¡¢QÁ½¿ÅÁ£ÎïËùÊÜÖ÷ÒªÍâÁ¦×÷Ó÷ֱðÊÇ£¨ £©
A. ÇÖÊ´¡¢°áÔË
B. °áÔË¡¢¶Ñ»ý
C. ÇÖÊ´¡¢¶Ñ»ý
D. °áÔË¡¢ÇÖÊ´
3.Äܹ»·´Ó³ÓÒͼËùʾµØò³ÉÒòµÄµãÊÇ£¨ £©
A. ¼× B. ÒÒ C. ±û D. ¶¡
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿