对习惯，人们有不同的认识。你认为正确的是（    ）

①习惯有好坏之分                                       ②坏习惯对人的行为没有影响

③青少年时期是习惯养成的关键时期       ④坏习惯一旦养成不能改变

完形填空

    Tom and Tim are brothers. They are 1 Australia. They live in a mountain village. Tom is 104 years old and Tim is 102 years old now. They 2 their story in a book called Enjoy Our Life.

    Here is some of their advice(建议) for living a long, 3 life.

    ★Get up 4. They get up 5 6:30 or 7:00 in the morning.

    ★Have a 6 breakfast. The brothers eat oatmeal(燕麦粥), half a banana,  7 and eggs with a little cheese(奶酪).

    ★8 every day. The brothers like 9 mountains. They also walk on the hills(小山) every day.

    ★Eat a lot of 10, especially(尤其) garlic(大蒜). Garlic is good 11 your health.

    ★Don't eat a lot of salt(盐) and fat. These things are 12 for your body(身体).

    ★Don't listen 13 the doctors always. Most of the doctors don't know what to do with us. When there is 14 wrong with us, they don't know how to treat(治疗) us. They are always surprised(吃惊) to see us live so 15.

函数$f\left(x\right)=e^x+x-2$的零点所在的一个区间是（　　）