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【单选题】
关于嫌色细胞的描述中,哪一项正确?A.
合成ADH和催产素
B.
可能是垂体嗜酸性细胞和嗜碱性细胞的前体
C.
分泌赫的细胞
D.
发出神经垂体内的神经纤维
E.
对神经纤维起营养和支持作用的神经胶质细胞
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举一反三
【单选题】Who is the last one to quit an organization according to the social network.
A.
the one without any friend
B.
the one with many friends
【单选题】Last supper That evening he took his place at the table with the twelve disciples. As they were eating he said, “I assure you that one of you will betray me.” Deeply saddened, each one said to him, “...
A.
The one who were singing songs.
B.
The one who took the cup.
C.
The one who dips his hand with Jesus into a bowl.
D.
The one who praised everyone in the supper.
【单选题】下列关于缺壁细菌的说法不正确的是( )
A.
L 型细菌是人工去壁形成的突变型
B.
原生质体一般由 G + 菌形成
C.
L 型细菌是种相对稳定的变异性，可遗传
D.
原生质体由溶菌酶或青霉素处理制得
E.
原生质体可在适宜环境中恢复正常结构
【简答题】Who is the last one to unplug in Tiffany’s family? (Para. 1) The last one is _______________________.
【单选题】各种抗生素有其不同的制菌范围,又称抗菌谱。下列关于各种的抗菌谱叙述不正确的是
A.
青霉素和红霉素主要抗G+
B.
庆大霉素、万古霉素和头孢霉素兼抗G+和G-
C.
氯霉素、四环素、金霉素和土霉素等因能同时抗G+、G-细菌以及立克次氏体、衣原体和病毒，故称广谱抗生素。
D.
以上说法都对
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