新核心英语读写册Unit.ppt

Unit 2 》Part IV 》Exercise 1 turb cre Roots Meaning Words disturb 扰乱，打扰 disturbance 骚动，动乱 turbid 混浊的 turbine 涡轮 turbulent 骚乱的 turbulence 骚乱 perturb 骚乱 Perturbaive 扰乱的 imperturbaive 沉着的 turmoil 混乱 stir grow, make increment 增加 crescent 新月 decrescent 渐小的 procreate 繁殖 procreative 有生殖力的 concrete 混凝土 concretion 凝结 Unit 2 》Part IV 》Exercise 1 manu techn bio Roots Meaning Words technology 技术 technical 技术上的 polytechnic 多种工艺的 technique 技术，技巧 technician 技术员 technics 工艺 stir connected with living things or human life biochemistry 生物化学 biophysics 生物物理学 biorhythms 生物节律 biosphere 生物圈 biotechnology 生物工艺学 biodegradable 可由微生物降解的 biography 传记 biographer 传记作者 manufacturer 制造商 manual 手工的 manuscript 手稿 manumi 解放 manage 管理 manacle 手铐 maneuver 运用 manipulate 操纵 hand Unit 2 》Part IV 》Exercise 1 nutri vari Roots Meaning Words nutrition 营养；滋养 nutritious 有营养的 malnutrition 营养不良 nutrient 营养品 nutriment 营养品 nutriology 营养学 nutritious 有营养的 nourish change variform 有种种形态的 variable 易变的 variance 变化 various 不相同 variegate 弄成杂色 variegation 色彩斑驳 prevaricate 说谎 variant 变异的 Exercise 2 Sentence Pattern Pool 2. Rewrite the sentences 3. Translate the sentences Exercise 2 Practicing Sentence Patterns Unit 2 》Part IV 》Exercise 2 4. Photovoltaic cells mounted on rooftops are used to heat water using the sun’s rays. 3. Harnessing the sun’s powerful energy is definitely not something new. 1. It appears as though the crusade to determine the best alternative energy sources are seriously being looked into … 2. The process turns the heat coming from the sun into electricity. From Main Reading Sentence Pattern Pool Unit 2 》Part IV 》Exercise 2 8. It is our responsibility to take care of the environment around us and keep it clean for generations ahead of us. 7. On the other hand, because the earth’s crust continuously decays replenishing the heat, it is still a renewable source of energy. 5. All you really have to do is open the windows and blinds on a nice sunny day to