练习说明
句子填空 题目要求：阅读文段，从文中挑选原词补全句子，每道题目都有特定的字数要求，以黑体加粗字标示。请把答案填到每题空缺处。
Choose ONE WORD ONLY from the passage for each answer.
第 1 题
The traditional view of the history of farming is that it all began in response to the shortage of food for foraging and hunting in the dry conditions after the Ice Age about 8,000- 10,000 years ago.
Traditional thinking: farming developed due to food _______________
第 2 题
However, in2005, researchers working near the Sea of Galilee in Israel discovered a site known as Ohalo II. Here, at least 23,000 years ago，people used seeds of wild grasses such as emmer wheat and barley, and ground them into flour to make bread.
Oldest evidences of arable farming found at a ___ in Israel where bread was made from
第 3 题
When arable farming did start, the effect on the human way of life was dramatic, no longer did people have to move around hunting and foraging.
Some effects of early farming: people stopped _______________ animals and picking wild plants to feed themselves.
第 4 题
The Italian artist and inventor Leonardo da Vinci (1452- 1519) is often cited as the first person to visualise the concept of a bicycle, but he never constructed one, and there are doubts surrounding the authenticity of a sketch of a two-wheeled device discovered among his papers.
The concept of a bicycle, said to originate with Leonardo da Vinci, ___ exist whether a drawing of a two-wheeled device was one of da Vinci’s.
第 5 题
It was known as a Draisienne or hobby horse, and although it could be steered it proved impractical for transportation anywhere but on a smooth road or path.
Draisienne required a _______________ surface on which it could be ridden.
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