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【单选题】
配制 300ml , 0.10 mol ·L NaOH溶液,需要称固体NaOH的质量是 ( )A.
1.2mg
B.
4.0mg
C.
1.2g
D.
4.0g
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举一反三
【单选题】They are such a(n) _______ family – they must have been shocked when their son dyed his hair pink.
A.
controversial
B.
recreation
C.
depress
D.
conventional
【多选题】关于机票,以下说法正确的是()。
A.
已满2周岁未满12周岁的儿童按成人票价的50%付费
B.
未满2周岁的婴儿按成人票价的20%付费，不单独占座
C.
已订妥日期、航班和机座的机票称为0K票
D.
不定期机票称为OPEN票
E.
惠和低折扣票一般不予以变更和退票
【简答题】They are such a(n) (传统的) family - they must have been shocked when their son dyed his hair pink.
【单选题】They are such a(n) ______ family - they must have been shocked when their son dyed his hair pink.
A.
conventional
B.
controversial
C.
considerable
D.
comparative
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