1.Sometime和some time和sometimes和some times的区别 2.find out和find的区别 3.4+|x—5|的最小值如正确回答问题
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1.Sometime和some time和sometimes和some times的区别 2.find out和find的区别 3.4+|x—5|的最小值
如正确回答问题
some time,sometime,some times和 sometimes是常用的几个词,它们形似而含义不同.请记住下面口诀:
分开是“一段”,相连为“某时”.
分开s是“倍、次”,相连s是“有时”.
读读下面四句话,便会运用这四个词.
例如:
(1)I’ll stay here for some time.我将在这儿呆一段时间.
(2)Kate will be back sometime in February.凯特将在2月某个时候回来.
(3)Our school is some times larger than theirs.我们学校比他们学校大几倍.
(4)Joan goes to school on foot,but sometimes by bike.琼步行上学,但有时也骑自行车去
3.4+|x—5|,因为x-5的绝对值最小为零,不可能为负,所以3.4+|x—5|的最小值就是3.4
some time,sometime,some times和 sometimes是常用的几个词,它们形似而含义不同。
分开是“一段”, 相连为“某时”。
分开s是“倍、次”, 相连s是“有时”。
3.4+|x—5|,因为x-5的绝对值最小为零,不可能为负,所以3.4+|x—5|的最小值就是3.4
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