【判断题】幼儿乳牙钙化程度低,耐酸性能差,所以幼儿龋齿发病率高。____
【单选题】Luis's office isn't as big as Susan's new office. What does this mean?
A.
Luis's new office is bigger than Susan's office.
B.
Susan's new office isn't as big as Luis's office.
C.
Susan's new office is bigger than Luis's office.
【单选题】某幼儿园进行乳牙的龋病流行调查,在 100 名 6 岁以下儿童群体中,出现的龋病的儿童有 80 个,患龋率达到 80% ,造成儿童易患龋的因素的说法,不正确的是
【多选题】幼儿容易龋齿原因有( )
D.
幼儿睡眠时间长,口腔较多处于静止状态,唾液分泌少,自洁能力差,利于细菌生长
【判断题】戏曲最大的程式性是所有戏曲剧种都有自己稳定的声腔。
【判断题】戏曲最大的程式性是所有戏曲剧种都有自己稳定的声腔。()
【单选题】What’s Susan’s new job about?
【单选题】Luis's office isn't as big as Susan's new office.
A.
Luis's new office is bigger than Susan's office
B.
Susan's new office isn't as big as Luis's office.
C.
Susan's new office is bigger than Luis's office.