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【单选题】
留24h尿标本作17-羟类固醇检查，为防止尿中激素被氧化，其标本应加的防腐剂是A.
甲苯
B.
浓盐酸
C.
甲醛
D.
稀盐酸
E.
亚硝酸钠
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举一反三
【单选题】My dad told me not to call him names.
A.
我爸爸叫我不要骂他。
B.
我爸爸让我不要叫他名字。
C.
我爸爸叫我不要多叫他的几个名字。
D.
我爸爸叫我不要说出他的另外几个名字。
【简答题】质量是一组固有（ ）满足要求的程度
【简答题】I told the truth to my parents ______they wouldn't worry about me any more
【单选题】听力原文：M: You know, Chris, my grandpa told me this story once about his dad. It's actually pretty sad. W: What happened? Ryan. M: Well, my grandpa said that his father never hung out with him or played ...
A.
He was very young when his grandpa was born.
B.
He never played basketball with his grandpa.
C.
He would hang out with his grandpa when his grandpa was 18.
D.
He was too old to play basketball and stuff.
【单选题】基础联系梁中,二级抗震加密区箍筋间距为150mm,梁单跨净跨长为3m,梁高为600mm,则加密区长度为( )
A.
950mm
B.
1100mm
C.
900mm
D.
1800mm
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