英语问 核科学1.every morning my son fills a bottle__boiled but cool water and then goes to schoola.in b.into c.with d.fron2.don't make any noise in the library,__?a,shall we b.will you c.do you d.can you 3you can't send your son to school until
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![英语问 核科学1.every morning my son fills a bottle__boiled but cool water and then goes to schoola.in b.into c.with d.fron2.don't make any noise in the library,__?a,shall we b.will you c.do you d.can you 3you can't send your son to school until](/uploads/image/z/14889307-67-7.jpg?t=%E8%8B%B1%E8%AF%AD%E9%97%AE+%E6%A0%B8%E7%A7%91%E5%AD%A61.every+morning+my+son+fills+a+bottle__boiled+but+cool+water+and+then+goes+to+schoola.in+b.into+c.with+d.fron2.don%27t+make+any+noise+in+the+library%2C__%3Fa%2Cshall+we+b.will+you+c.do+you+d.can+you+3you+can%27t+send+your+son+to+school+until)
英语问 核科学1.every morning my son fills a bottle__boiled but cool water and then goes to schoola.in b.into c.with d.fron2.don't make any noise in the library,__?a,shall we b.will you c.do you d.can you 3you can't send your son to school until
英语问 核科学
1.every morning my son fills a bottle__boiled but cool water and then goes to school
a.in b.into c.with d.fron
2.don't make any noise in the library,__?
a,shall we b.will you c.do you d.can you
3you can't send your son to school until he is __
a.enough old b.old enough
科学的
要得到含杂质百分之二的生铁1000T,需要含杂质百分之二十的赤铁矿多少T?答案是1750 但是不知道怎么算 ,
英语问 核科学1.every morning my son fills a bottle__boiled but cool water and then goes to schoola.in b.into c.with d.fron2.don't make any noise in the library,__?a,shall we b.will you c.do you d.can you 3you can't send your son to school until
英语的第一个貌似是B
第二个应该是A
第三个应该是B
1. C
这里考的是固定搭配:fill sth1 with sth2。意思是把sth2装进sth1中。
这句话的意思是:每天早上我儿子都会装一瓶冷开水然后去上学。
2. B
省去主语的祈使句的反意疑问句,疑问部分用will you/won’t you。
3. B
当enough去修饰一个形容词时,位置一般是后置的。
化学题:
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1. C
这里考的是固定搭配:fill sth1 with sth2。意思是把sth2装进sth1中。
这句话的意思是:每天早上我儿子都会装一瓶冷开水然后去上学。
2. B
省去主语的祈使句的反意疑问句,疑问部分用will you/won’t you。
3. B
当enough去修饰一个形容词时,位置一般是后置的。
化学题:
首先你要知道赤铁矿的主要成分是三氧化二铁(原子量是160),生铁的主要成分是铁。
设需要的含杂质的赤铁矿是X吨,根据铁元素守恒的原则可得:
1000*(1-2%)=X*(1-20%)*(112/160)
解方程的 X=1750 吨
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