【简答题】( 11001010 )2=(________)10
【单选题】11001010
A.
在一定条件下,偏振光透过长ldm,且含lg/ml旋光物质的溶液时的旋光度
B.
在一定条件下,偏振光透过长lcm,且含1g/ml旋光物质的溶液时的旋光度
C.
在一定条件下,偏振光透过长ldm,且含1%旋光物质的溶液时的旋光度
D.
在一定条件下,偏振光透过长lmm且含1mg/ml旋光物质的溶液时的旋光度
E.
在一定条件下,偏振光透过长ldm且含lmg/ml旋光物质的溶液时的旋光度
【单选题】Frank insisted that he was not asleep I had great difficulty in waking him up.
【简答题】Elena jogged (慢跑) with her dad in some empty lots (小块地). These out-of-the-way lots were good places to jog. But the lots were full of rocks and rubbish. One day, Elena saw a sign on the lots. It said,...
【单选题】—I’m afraid I can’t go to your party, I have lots of things to do. —__________!
【单选题】—Our city looks more beautiful! —Yes. Lots of trees and grass _____ since last year. [ ]
【单选题】Last night we had lots of fun ________ computer games at home. [ ]