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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