Look ___________ that man![ ] A. at B. o 发布时间:2017-04-20 23:47 │ 来源:www.tikuol.com 题型:选择题 问题: Look ___________ that man![ ]A. atB. onC. down
题型:选择题 It was after what seemed like a century ________ we were allowed to go home.A.whenB.whichC.asD.that 查看答案
题型:选择题 将下列12种有机物所属的类别填入下表: ①CH3-CH3 ; ②CH2=CH2 ;③ ④ ;⑤ ⑥CH3-CH2Cl;⑦ ;⑧ ⑨CH3Cl;⑩ ; CH3CH2OH; CH3-C≡CH。 查看答案