题型:名词解释 The wind blew into the room the broken window.[ ]A. come fromB. came from C. come toD. through 查看答案
题型:名词解释 下列关于有机物的命名正确的是[ ]A.CH3(CH2)2CH(CH3)(C2H5) 2-乙基戊烷 B.CH3-CH=CH-CH2-CH2-CH3 4-戊烯C.CH3CH2CH2COOCH3 甲酸丙酯 D. 2,3-二甲基-2-戊醇 查看答案