问题
选择题
—Must I finish the work before five o'clock?
—No, you _____. [ ]
A. needn't
B. mustn't
C. have to
D. don't
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Must I finish the work before five o'clock?
—No, you _____. [ ]
A. needn't
B. mustn't
C. have to
D. don't
答案：A
甲、乙、丙、丁为不同纬度的四个地区，乙地主要粮食作物为春小麦，丁地盛产茶叶、毛竹。读表，回答小题。
| 地区 | 甲 | 乙 | 丙 | 丁 |
| 夏、冬至日正午太阳高度之差 | 0° | 46°52′ | 6° | 46°52′ |
A．甲丙丁乙
B．丁丙乙甲
C．丁乙甲丙
D．乙丁丙甲小题2:甲地一年中正午太阳高度最大值与最小值之差为( )
A．0°
B．23°26′
C．46°52′
D．90°