在下列区间中，函数$f\left(x\right)=e^x+4x-3$的零点所在的区间为（   ）

一个篮球运动员投篮一次得3分的概率为a，得2分的概率为b，不得分的概率为ca、b、c∈（0，1），已知他投篮一次得分的数学期望为1（不计其它得分情况），则ab的最大值为（　　）

    Hello, I'm David. I'm a young man. I'm 175 ____tall and weigh 70 ____. I live in the city. Life in the city is easy. There are a lot of all buildings. There are a lot of shops and restaurants too. I can ____food easily. I go to work by underground. At the weekend, I usually play football with my friends. I am a football____. I sometimes enjoy myself at the cinema or ____. I am happy all the time.