选择下列某种选项的序号,填入下表的空格。①同位素 ②同素异形体 ③ 同分异构体 ④ 同系物 ⑤ 同种物质
②;⑤;①;④;③
简述植物风蚀、沙埋的适应?
— How about the concert last night?
— Well, at least it's ________ the one I saw last time with Joan. [ ]
A. no worse than
B. no good
C. not as good as
D. as bad as