甲亢时最具有诊断意义的体征
A.心率加快,第一心音亢进
B.弥漫性甲状腺肿伴血管杂音
C.突眼
D.脉压差大
E.心脏增大
参考答案:B
根据对话内容,判断句子正(√)误(×)。
Amy: What can you do at home, Chen Jie?
Chen Jie: I can set the table and do the dishes. What about you, Amy?
Amy: I can make the bed.
Chen Jie: Can you wash the clothes?
Amy: No, I can't, but I'd like to have a try.
( ) 1. Chen Jie can set the table.
( ) 2. Amy can make the bed.
( ) 3. Amy can wash the clothes.
下列实验能达到目的是( )
A.鉴别乙醇、乙醛、乙酸、甲酸可用新制氢氧化铜悬浊液分步进行
B.乙烷中混有少量乙烯,用氢气加成除去乙烯
C.苯中混有少量的苯酚,加入浓溴水沉淀后过滤除去苯酚
D.除去乙酸乙酯中混有的少量乙酸,加足量NaOH溶液加热充分反应后分液