【单选题】【会社で、電話の相手の名前を尋ねる時に】 敬語の使い方が適切なのはどれでしょう?
【简答题】用 more than, no more than, not more than, no more ... than, not more ... than填空。 Mr .Li is ________ a professor; he isalso a famous scientist.
【单选题】Liu Li is _____ outgoing _____ her sister. [ ]
【简答题】求心形线,r=a(1+cosθ)的全长,其中a>0是常数.
【单选题】(2)护士建议该孕妇,做葡萄糖筛查试验应在妊娠
【单选题】Li Lei is__________ more athletic than me. [ ]
【单选题】Uncle Ross has been a li b rarian for more than thirty years.
C.
for more than thirty years
【单选题】三相异步电动机采用( )时,能量消耗小,制动平稳。