The festival was from the first under the charge of the Eleians. But so liberal a policy did this nation adopt and pursue that people from neighboring states were glad to send competitors. Rapidly the custom of resorting to the games spread to more 【小题1】(遥远的，远处的) states. From an Eleian event, the festival finally became Panhellenic. The Athenians and Thebans at a very early date achieved splendid victories in these games. The Theban Pagondas was crowned victor in the four- horse chariot race in the 25th Olympiad, when for the first time this was a feature of the festival. Thus one state after another turned its 【小题2】(注意，注意力) to the venerable celebration, and if it happened that a citizen of one state was crowned victor in a contest, interest in the games was sure to be increased in that locality.

Even in the absence of positive evidence it would be contrary to reason to suppose that the games were originally established as they existed at the time of Pindar. In fact, the different features were added successively. According to a fairly reliable tradition, there was originally and for 12 following Olympiads only one contest: a foot race 【小题3】 of (由……组成) a single lap of a stadium of 200 yards. Boxing and the chariot race are said to have been added in the 23rd Olympiad. Thus the games grew more elaborate, and the time over which they extended was increased from a 【小题4】(仅有一个的，单个的) day to five or six.

Agriculture is a fundamental 【小题1】 (概念) that 【小题2】 (占据) a central role in our lives. People e 【小题3】 a variety of methods to plant crops and raise livestock, assuming that nature is a r 【小题4】 partner. However, when 【小题5】 (极为恶劣的) weather conditions strike, such as droughts or storms, these a 【小题6】 can be called into question. Crop yields may d 【小题7】 and farmers 【小题8】 (怀疑) their thoughts. To adapt and thrive, farmers are c 【小题9】 that they must continually learn and apply new techniques and practices. Learning to 【小题10】 (消化) this knowledge is essential for green agriculture. By doing so, they not only improve their own livelihoods but also contribute to the global food supply.

The scientists 【小题1】 (决定探索) the deep ocean in order to find out what exists at the floor of the sea.Their first step 【小题2】 (实施这项计划) is 【小题3】 (派一台深水机器) designed specially for the research.【小题4】 (由科学家们远程控制的机器) at the surface of the sea is in a shape of an egg.They will watch the machine 【小题5】 (潜入大海深处).【小题6】 (进行这样的研究) is a long project that scientists have prepared for several months.