A:7
B:14
C:21
D:42
用计算器求(3.2﹣4.5)×32﹣25的按键顺序是____
1).When did they do the survey? (last Thursday/last Friday)
2).What is the survey about? (breakfast/supper)
你可以这样开始:The students did a survey about…
Answer:____
下列有关文学常识的表述,错误的一项是( )