Great Scientists教案
18） he fell down and ______ his arm.keys: 1) harm 2) wounded 3) hurt 4) injured 5) hurt2). cause/excuse/reason n.【解釋】cause：指造成一種影響、結果或后果的原因或條件。（與of連用）excuse 強調為逃避或減輕責任而設法辯解而使用的借口，理由（與for連用）reason 是指解釋某種效果的發生或性質的措辭（與for連用）【練習】選擇cause/excuse 或reason，并用其適當的形式填空1) there was no obvious ________ for the accident.2) sometimes most students will make up a(n) _________ for their absence.3) the ________ she went to guangzhou was the climate.4) carelessness is the ________ of his failure.keys: 1) reason 2) excuse 3)reason 4)cause3) electric/electrical adj.【解釋】electric 用于修飾需要用電來運轉的設備或用于比喻“震驚”electrical 常用于表示與電氣性質或科學相關【練習】選擇electric或electrical 并用其適當的形式填空1) many _______ fans are required in such a large meeting room.2) the room became ________ with amazement.3) to be an ________ engineer is the dream of many boys.keys: 1) electric 2) electric 3) electrical4). jewelry/jewel n.【解釋】jewelry 珠寶, 珠寶類的總稱[不可數名詞]jewel珠寶[可數名詞]【練習】選擇jewelry或jewel并用其適當的形式填空1) the ______ of the rich were often kept in the bank.2) she locked her_________ in the _________ box.keys: 1) jewels 2) jewels; jewelryiii 詞性變化 （旨在提供語法填空所需材料）bleed v. 使出血, 放血blood n. 血, 血液, 血統bloody adj. 有血的,mild adj. 溫和的, 溫柔的mildly adv. 溫和地, 適度地treat v. 視為, 對待, 治療treatment n. 待遇, 對待, 處理, 治療pressure n. 壓, 壓力,壓迫press v. 壓, 壓迫bravery n勇敢brave n. 勇敢的【練習】根據句子結構，用括號內所提供詞的適當形式填空1) a person of hot _______ is not afraid of _______ in battle for the country.(blood)2) i was only ______ interested in english when i took up it.(mild)3) people had to _____ themselves in their own way, before they received the ____ sent by the government.(treat)4) ________ this button and the _______ of the water will rise.(press)5) the ______ boys were rewarded with medals for their ________in wenchan earthquake.keys: 1) blood; bleeding 2) mildly 3) treat; treatment 4) press; pressure 5) brave; braveryiv 重點詞匯 （旨在提供綜合運用所需材料）1. aid n.&vt.幫助；援助；資助[典例] 1) they aided flood victims.他們援助遭受水災的災民。2) they aided in solving the problem. 他們幫忙解決這個問題。3) a dictionary is an important aid for many language learners.