【单选题】Sarah is _______ a kind-hearted girl _______ she often helps people who are in trouble. [ ]
【单选题】用0.1mol/L盐酸溶液滴定0.16g纯Na2CO3(M=106g/mol)至甲基橙变色为终点,约需HCl溶液
【单选题】Sarah is a girl of high _____________, so we never made fun of her shortcomings.
【简答题】填入所缺字母或字母组合,使三个单词都含有相同的元音发音,并重新写出一个含有所填字母、发音也相同的单词。 1. c__lour c__me m__ney ____________ 2. h__me g__ __ver ____________ 3. b__ __k f__ __t g__ __d ____________ 4. g...
【简答题】写出下列单词所缺的字母或字母组合,并在括号内填入对应图片的序号。 A. B. C. D. 1. re_d 2. w TV 3. p f 4. do ( ) ( ) ( ) ( )
【单选题】水准测量的误差来源大致可分为仪器误差、观测误差和外界条件的影响三个部分。其中仪器误差中,影响最大的是( )。
【单选题】Why is Sarah so mean to Janice? The only thing I can think of is that she’s jealous. Jealousy is what’s making her mean.
【单选题】用0.1mol/L盐酸溶液滴定0.16g纯Na2CO3(M=106g/mol)至甲基橙变色为终点,约需HCl溶液