劳动者在试用期内提前（）日通知用人单位，可以解除劳动合同。
A、五
B、三十
C、三
D、十五
参考答案：C
根据括号内的汉语提示，完成句子。（每空一词）
小题1:I shall not be ______（有空的）until five o’clock.
小题2:Switzerland is _________(出名的)for its mountains.
小题3:Two_________(百)students in our school are going to the beach .
小题4:We should brush our __________(牙齿)at least twice a day.
小题5:There will be three football_______(比赛)this month in our school.
小题6:We’re________（计划）a vacation to Italy this summer.
切削用量三要素是怎样影响切削力的？
