问题
选择题
It's 7:30. It's time go to school. [ ]
A. for
B. about
C. to
答案
答案：C
搜题请搜索小程序“爱下问搜题”
It's 7:30. It's time go to school. [ ]
A. for
B. about
C. to
答案：C
下表是某农业研究所收集到酸雨对水稻收成影响的有关数据：
| 酸雨的pH | 3.58 | 4.59 | 4.86 | 7 |
| 水稻减产（%） | 10 | 5 | 3 | 0 |
A．水稻产量随酸雨的pH增加而减少
B．水稻产量随酸雨的pH减少而减少
C．酸性越强，水稻产量越高
D．水稻适合在酸性土壤中生长