【简答题】When a cell(细胞)has reached its limit of growth, it reproduces(繁殖) (divide) in two. (substitute) these values in Eq. (1 – 5), we have the following result. (use) this equation, we must pay attention to...
【简答题】听下面一段材料,回答第1至3题。 1. How old is the house? [ ] A. 30 years old. B. More than 30 years old. C. About 30 years old. 2. The woman wanted to sell it because _____. [ ] A. she was tired of living th...