Thousands of years ago，human(人类)didn’t live in towns．Sometimes they would live in caves(洞穴)or build camps in the forest．
Only about thirty people1 in each camp．The men would go hunting while the woman and children2food from trees around the camp．All the food was 3 among people in the group．Every few weeks they moved to another place to find more food．It was a simple life，but people had to be 4 .They had to make everything that they needed，and they had to know a lot about plants and animals．
Nowadays most people live in towns and cities，and they work in offices and factories．Life is 5than in the old days．There are fewer 6，but there is less excitement．Some people go7  excitement  sailing round the world．climbing mountains，or exploring(探测)caves．
Most people look forward to the8,a time when they can enjoy a change from the normal life．For some this means going camping．But camping today is 9 from camping in the past．Gas cookers，ready-made food and air-beds mean people can camp much more10 than they did in the old times．

在制作泡菜的过程中，不正确的是（　　）

名句默写。

①东风不与周郎便，____。（杜牧《赤壁》）

②念天地之悠悠，____。（陈子昂《登幽州台歌）

③俱怀逸兴壮思飞，____。

④海内存知己，____。

⑤《酬乐天扬州初逢席上见赠》中蕴含人生哲理，给人以鼓舞的诗是：____，____。

⑥文天祥的《过零丁洋》中，用比喻的手法抒写国家及个人命运的是：____，____。

⑦苏轼的《水调歌头》中寄寓着人世间的事情难以十全十美的哲理名句是：____，____，____。

⑧诗中含“酒”的诗句：____，____。

家庭电路是最常见、最基本的实用电路，我国家庭电路的电压是（　　）