问题
选择题
有盐水84kg，含盐12%，为使盐水含盐不低于24%，至少应加盐多少千克设应加盐x(kg)，由题意列不等式为( ) A．84×12%+x≥(84+x)×24% B．(84-x)×12%＞(84+x)×24% C．(84+x)×12%≤84×24%+x D．84×12%+x＞(84+x)×24% |
答案
答案：A
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有盐水84kg，含盐12%，为使盐水含盐不低于24%，至少应加盐多少千克设应加盐x(kg)，由题意列不等式为( ) A．84×12%+x≥(84+x)×24% B．(84-x)×12%＞(84+x)×24% C．(84+x)×12%≤84×24%+x D．84×12%+x＞(84+x)×24% |
答案：A
| 阅读下面短文，把下列单词填在横线上。 | |
Many __________ say he was the son of God. When he was born, a new __________ shone in the sky. Three wise men __________ the star. They followed the star to Jesus. They brought the baby special __________. Jesus's birthday is __________ day. We give gifts to our friends and family at Christmas. We put stars __________ our Christmas trees, too. |