(订正版)必修一Unit2Growingpains-精选（公开课件）.pptVIP

解析：句意：一般地说，丈夫必须平衡其母亲和妻子之间的关系。balance“平衡”，符合句意。devote “致力于，贡献”； involve“使卷入”； guarantee“保证”。 答案： C 10．challenge n． vt.挑战；质疑 In the end everything turns out OK — the teenager becomes a healthy adult, and this period of change and challenge is traded for the changes and challenges of grown-up life.(教材P38原句) 最终一切都会好起来——青少年成长为健康的成年人，而这一时期的变化和挑战则转变为成人生活中的种种变化和挑战。 It always struck me that when youre looking at a big challenge from the outside it looks huge, but when youre in the midst of it, it just seems normal.(选自2011年高考天津卷·阅读B) 我总会突然想到当你从外部看一个巨大的挑战时，它看似巨大，但当你置身于其中时，它似乎只是很正常。 No one has challenged the assumptions that are made in the report. 谁也没有怀疑报告中所提出的假设。 face/meet a challenge　　　　面临/应对挑战 . 向某人挑战(做)某事 challenging adj. 挑战性的 challenge sb. to (do) sth The girls challenged the boys to a football match. 女孩们邀请男孩们进行足球比赛。 rise to the challenge 奋起应对挑战 challenge sb/sth 向 挑战/ 向 质疑 trade sth for sth 用某物换某物 two of trade never agree同行是冤家 [多维演练] A．用challenge的适当形式填空 ①They help you develop your English in new and ways. ②Destruction of the environment is one of the most serious we face. challenging challenges B．完成句子 ③学校必须迎接新技术的挑战。 Schools must new technology. ④这一决定很可能遭到石油公司的质疑。 This decision by the oil companies. meet the challenge of is likely to be challenged C．单项填空 ⑤How to protect people from nuclear radiation is a to Japan as well as the whole world. A．threat　　　　　　　　 B．challenge C．reaction D．contribution 解析：句意：如何保护人们免受核辐射对全世界和日本来说都是一个挑战。challenge“挑战”，符合句意。threat“威胁”； reaction“反应”； contribution“贡献”。 答案： B 11．be supposed to(表示按照义务、规则、法律或约定 等) 应该……，应当…… ... you werent supposed to come home until tomorrow！ (教材P22原句) ……你们理应明天回家！ be supposed to be　　　　　　 被认为是 was/were supposed to do sth. ＝ be supposed to have done sth. 本应该做某事