My friend Jack always had accidents. He did not1 attention to what he was doing or where he was going.

 A few months ago, 2car hit him while he was on his way home from school. The driver was tired,3 he did not see Jack. And Jack was talking on4 mobile phone and was riding in the middle of the road. The car hit him. He 5 his leg and was in hospital for over a month.

  Last week, he was not looking 6 he was going as usually. As a result, he fell into a hole 7the park. Some 8people in the park helped him climb out of the hole and then took him to hospital. 9 he did not break an arm or a leg this time. At the hospital, the 10 gave him some medicine and then he went home.

  After the two accidents, Jack changed a lot. Now he is very careful.

如图所示，铁桶重为20N，桶的底面积为100cm²，往桶里倒入8kg的水，水的深度为15cm，平放在面积为1m²的水平台面上（g取10N/kg）．求：

我国国防科工局2014年3月14日消息，嫦娥三号巡视器--____于当天收到正常遥测信号，成功自主唤醒，让揪心不已的人们着实松了一口气。（）

三个数$0.7^6,6^{0.7},{\log }_{0.7}6$的大小关系为（    ）