A:75 mL 1.5 mol•L﹣1的MgCl2溶液
B:75 mL 4 mol•L﹣1的NH4Cl溶液
C:150 mL 2 mol•L﹣1的KCl溶液
D:150 mL 1 mol•L﹣1的NaCl溶液
A
Every year, millions of Chinese college students from poor families face money problems. These problems have become a major problem of the whole society. Last month, a national(国家的) survey by the Chinese Foundation for Poverty Alleviation(中国扶贫基金会)was held to learn more about their college life. Here are some of results.
(I) The monthly costs for students (II) Where do they get subsidies(补助金)?
写出划线字的拼音
____
南极洲
自豪
属于
企业
拍摄
(1)八年级学生李丽在放学的路上捡到一个钱包,内有身份证、银行卡和人民币若干。
①正确的做法:
②理由:
(2)小强自进入八年级后,随着科目的增多,产生了厌学情绪,恰好本村一位私企老板邀请他去打工。
(3)小琳因为前一天晚上看电视时间太长,所以第二天早晨起来晚了,在去学校的路上,在路口碰到红灯。
可以自由转动的条形磁铁或磁针,静止时总是指向____;这是由于受到____作用的缘故.