A:a=3
B:a=2
C:B的转化率为40%
D:B的转化率为60%
根据括号内的汉语和句末括号内的英语单词提示完成句子。____ Even if you are busy, you should (尽力)to do everything well.(try)____ My parents always say that I (已经长大了). (grow)____ After that, her teacher (更多地关注) her. (pay)____ Too much noise made it difficult for me (入睡). (fall)____ When we are away, our baby (照顾) by my mother. (take)
句型转换。
在地球仪上,与南、北极距离相等的大圆圈叫____ ,所有与赤道平行的圆圈叫____