司磅员每天接班时，打开电脑，须首先检查电脑（）。燃料系统能否正常连接。
参考答案：有无异常
A．点迹均匀，说明纸带做匀速运动
B．点迹变稀，说明纸带做加速运动
C．点迹变密，说明纸带做加速运动
D．相邻两点间的时间间隔相等
下面是一段哈尔滨的天气预报。请你根据所给的天气预报图，模仿该内容写一段宜昌的天气预报。
字数40---60。
Here's the weather report for the next 24 hours. Harbin will be windy today. There will be snow late in the
afternoon. The temperature will be -2℃ to～0℃ . Tomorrow will be cloudy. The highest temperature will be 2℃ . Thank you for listening.
Today: cloudy, heavy rain Tomorrow: rainy and sunny
21℃～32℃ 20℃～33℃
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