平面内n条直线,每两条直线都相交,最少有____ 个交点,最多有____ 个交点.
从方框中选择适当的单词,并用正确的形式补充句子。
1. I'm ____my vacation to Italy this weekend.2.A doctor can____ you medicine.3.I have a toothache. I ____ to see a dentist.4.Grandpa is pretty healthy because he ____ every day.5.A lot of vegetables____you to keep in good health.
下列划线的词语解释不正确的一项是( )