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Farming in the USA today is very different from that 100 years ago. In those days, farmers did nothave many machines to help them. They had animals.1．This meant that farms were smallerthan they are now. Farmers also worked in a different way in the past. In those days, farmers grew fruitsand vegetables and kept cows, pigs and chickens to feed their families.2．
Farmers have a very special life in many ways. First of all, they can't leave the job at the end ofthe day. They live on the farm and there is always work to do. Second, a lot of farm work is outdoors, so the weather is very important for farmers.3．A lot of bad weather means farmers willlose money. Finally, farmers work with plants and animals. They understand nature better than other people do .
4．Spring is a time for planting. Farmers are busy getting the fields ready and then: Planting the seeds(种子). In summer, farmers must take good care of the plants. Some may need water. Other plants may have problems with insects or diseases. Then in fall, the fruits or plants are ready for picking.5．Winter is a time for rest or for work on the farm machines.
把A-E五个选项填入文中空缺处，使短文完整正确。| A．Farm work changes with the seasons. |
| B．That is a very busy time for farmers. |
| C．But animals work slowly compared to machines. |
| D．It is aso important for the success of their farms. |
| E．Today farmers grow things on the farms so they can sell them. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
