【名词&注释】
氯化钾(potassium chloride)、氢氧化钙(calcium hydroxide)、孝文帝、氧化铜(copper oxide)、挥发性酸(volatile acid)、鲜卑人、不可数名词(uncountable nouns)
[单选题]挥发性酸
A. 盐酸
B. 氯化钾
C. 氧化铜
D. 淀粉
E. 五氧化二磷 F．氮气 G．氢氧化钙 H．甲烷
查看答案&解析
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举一反三：
[单选题]（孝文帝）“诏不得以北俗之语言于朝廷，若有违者，免所居官。”对于诏令内容理解准确的是（ ）
A. 在朝廷必须说汉语，违反者免其官职
B. 采用汉族的法律，惩治违法的官员
C. 朝廷令所有的鲜卑人都说汉语
D. 朝廷有权惩处违法官员
[单选题]9． Jim told me she had ________ ， homework to do and always ended up ‘Englishnew words every day．
A. too much; memorizing
B. too many; memorizing
C. much too; memorized
D. much many; to memorize
[单选题]28．
A. teachers
B. classmates
C. parents
D. friends
[单选题]20． —What time do you usually get up，John?—I usually get up at_________．
A. half past six
B. half at six
C. half after six
D. six at half
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