《2025年实验班全程提优训练高中英语选择性必修第二册外研版》

Ⅰ. 根据首字母提示写出单词
1. When you ddissolve salt in water, it breaks down into its ions, making the solution conductive to electricity.
2. Plants absorb essential nnutrients from the soil, which are critical for their growth.
3. Trees rrelease oxygen into the atmosphere, which is vital for human survival.
4. These 3, 000-year-old symbols, known as jiaguwen, were carved on tturtle shells and used to tell fortunes and record events.

答案： 1. dissolve 2. nutrients 3. release 4. turtle

Ⅱ. 单句语法填空
1. The appearance (appear) of cherry blossoms marks the beginning of spring.
2. A balanced diet provides the necessary nutrition (nutritious) to support the body's functions.
3. But for the reliable (rely) data provided by the new sensors, the scientists would not have been able to detect the subtle changes.
4. The absorption (absorb) of nutrients is critical for plant growth. (链接《提分手册》P40)

答案： 1. appearance 2. nutrition 3. reliable 4. absorption

Ⅲ. 选择方框中的短语并用其适当形式填空
be transformed into; be native to; feed on; take apart; break out; break down; take in; prey on; be absorbed in; be released from 
1. The koala, which is native to Australia, thrives in eucalyptus forests.
2. During photosynthesis, plants take in carbon dioxide from the air to make food.
3. Oxygen is released from plants, enriching the atmosphere for all breathing organisms.
4. Many small mammals feed on seeds and nuts, storing energy for winter. (链接《提分手册》P40)
5. Owls prey on small rodents, using their keen vision and hearing to hunt at night. (链接《提分手册》P40)
6. Microorganisms in the soil break down dead plant material, returning nutrients to the ecosystem.
7. She was absorbed in her studies, so she didn't notice the hours passing by. (链接《提分手册》P40)
8. Through the process of photosynthesis, carbon dioxide and water are transformed into oxygen.
9. When a fire broke out suddenly in a building in the city centre, the whole community quickly mobilised to offer help.
10. To understand how the mechanism works, the engineer decided to take apart the machine piece by piece.

答案： 1. is native to 2. take in 3. is released from 4. feed on 5. prey on 6. break down 7. was absorbed in 8. are transformed into 9. broke out 10. take apart

Ⅳ. 完成句子
1. 她意识到自己的错误后,觉得有必要道歉,明白这是修复他们关系的唯一方式。(felt it adj. to do sth)
She feltitnecessaryto apologise after realising her mistake, understanding that it was the only way to mend their relationship.
2. 要不是你及时的建议,我就会做出一个可能对我的职业生涯产生负面影响的错误决定。(but for)
Butfor your timely advice, I wouldhavemade a wrong decision that could have negatively impacted my career.
3. 请确保每天给植物浇水,否则它们可能会在这种炎热的天气中枯萎死亡。(otherwise)
Please make sure to water the plants daily. Otherwisetheymightwither and die in this hot weather.

答案： 1. felt it necessary to 2. But for; would have made 3. Otherwise they might wither