题文
The death rate is __________ pigs and recovery usually __________ within 7—10 days.
| A．low in; occurs |
| B．rich in; happens |
| C．high in; came about |
| D．poor in; took place |
推荐试卷
The death rate is __________ pigs and recovery usually __________ within 7—10 days.
| A．low in; occurs |
| B．rich in; happens |
| C．high in; came about |
| D．poor in; took place |
试题篮
()
粤公网安备 44130202000953号
