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【单选题】
用火棉胶包埋的组织，常用下面哪种试剂处理（）
A.
乙醚
B.
二甲苯
C.
松油醇
D.
香柏油和丁香油
E.
水杨酸甲酯和苯胺油
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参考解析：
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举一反三
【单选题】Year after year a dedicated Swedish chemist worked to find a substance which, when (1)_____ nitroglycerine(硝化甘油), would make explosives safer to handle (2)_____ weakening their force. He had a persona...
A.
mixing with
B.
mixed with
C.
was mixing with
D.
was mixed with
【单选题】Year after year a dedicated Swedish chemist worked to find a substance which, when (1)_____ nitroglycerine(硝化甘油), would make explosives safer to handle (2)_____ weakening their force. He had a persona...
A.
called
B.
known
C.
by name
D.
named
【单选题】( )年,英国人( )发明了一种叫“火棉胶”的粘性液体,可以将感光药物粘在玻璃板上,趁湿时曝光,再立即显影、定影。这就是“湿版摄影法”。
A.
1846 马多克斯
B.
1851 巴耶尔
C.
1871 马多克斯
D.
1851 阿切尔