Unit 5 Into the Unknown Developing ideas & Presenting ideas 练习-2023-2024学年高二英语外研版（2019）选择性必修第四册

Developing ideas & Presenting ideas I. 根据句意以及括号内的提示，写出所缺单词的正确形式。 1. People started finding really useful applications for this new ________. (n. particular type of matter) 2. The history of the Roman Empire is in ________ 3 and 4. (n. a book that is part of a set, or one into which a very long book is divided) 3. One of Europe's most active volcano Mount Etna is sliding towards the sea at a rate of 40 ________ per year. (n. a unit of length which is equal to 0.001 metres) 4. Offshore ________ has been completed in Zhejiang Province for the construction of China's first undersea high-speed railway tunnel. (n. the act of making a hole in something)  II. 阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。 Despite the fact that the ocean plays a role in everything from the air we breathe to daily weather and climate patterns, we know very little about our ocean. 1. ________ Deeper waters remain a mystery even though we are relying more and more on these areas for food, energy, and other resources. Ocean exploration is about making discoveries, searching for things that are unusual and unexpected. 2. ________ It is disciplined and organised and includes rigorous observations and documentation of the ocean. Findings made through ocean exploration are fundamental to reducing unknowns in deep-ocean areas and providing high-value environmental intelligence needed to address both current and emerging science and management needs. 3. ________ So those resources are around for future generations to enjoy. 4. ________ Unlocking the mysteries of deep-sea ecosystems can reveal new sources for medical drugs, food, energy resources, and other products. Information from deep-ocean exploration can help predict earthquakes and tsunamis. 5. ________ Ocean exploration can improve ocean literacy and inspire young people to seek careers in science, technology, engineering, and mathematics. The challenges of exploring the deep ocean can provide the basis for technology and engineering innovations