交通部门为了限制对公路的破坏，限制车辆对地面的压强不得超过7×10⁵Pa，假设每只轮胎与地面的接触面积恒为0.02m²，则一个四轮运输车对地面的压力不超过____ N．

根据短文内容，判断下列各句正误。

    Here's the weather report for today. It's going to be dry and windy for most of the day. Because of the wind, it's going to be cooler than usual. And the wind is going to be stronger in the evening.

    Now the report for the weekend. Our Saturday morning is going to be cloudy with little rain. And it's going to be cooler than today. In the afternoon the clouds will lift and the sun will come out. We shall have a warm evening.

    On Sunday the weather is going to change again. It's going to be fine and hot. But at noon a wind will come and it's going to be stronger in the afternoon. It's going to be a little cooler in the afternoon.

通知

本周五下午三点，特邀知名作家来我校作报告，与广大师生分享读书心得。请全体师生准时参加报告会。

学校办公室2018年4月20日

①格式上：____；

②内容上：____。