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【单选题】
患者,女性, 39岁,颈部肿大,诊断为结节性甲状腺肿,需进行甲状腺次全切除术。在手术中,需结扎左、右甲状腺上动脉和甲状腺下动脉,它们
A.
均起始于颈外动脉
B.
分别起始于颈外动脉和肋颈干
C.
均起始于甲状颈干
D.
分别起始于颈外动脉和甲状颈干
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【简答题】He brought us a piece of (surprise) ______ news.
【单选题】下列电子式中错误的是
A.
钠离子:
B.
氢氧根离子:
C.
氨分子:
D.
一氯甲烷:
【单选题】逻辑主义学派、直觉主义学派和形式主义学派对数学的发展没有贡献。
A.
B.
【单选题】下列电子式中错误的是(  )
A.
B.
C.
【判断题】通过读秀学术搜索的文献传递功能,读者邮箱接收到的资料,可以在校园网范围之外打开阅读。
A.
正确
B.
错误
【简答题】Though he was born and brought up in America, ?Though he was born and brought up in America, he can speak ___________ Chinese. A)fluid          B) smooth         C) fluent        D) flowing
【单选题】What is true about the man?
A.
He was born in Scotland and brought up in England.
B.
He was born in England and brought up in Scotland.
C.
He was born and brought up in Scotland.
D.
He was born and brought up in England.
【单选题】Although he was born and brought up in America, he ______ Chinese fluently.
A.
speaks
B.
will speak
C.
can speak
D.
would speak
【单选题】若 ,则下列式子中错误的是(     )
A.
B.
C.
【单选题】随机变量 ,记 ,则下列式子中错误的是
A.
B.
C.
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