141. There is no doubt that our educational system leaves something to be desired.毫無疑問，我們的教育制度令人不滿意。
142. An advantage of using the solar energy is that it won't create any pollution.使用太陽(yáng)能的優(yōu)點(diǎn)是它不會(huì)產(chǎn)生任何污染。
143. The reason why we have to grow trees is that they can supply fresh air for us.我們必須種樹的原因是它們能供應(yīng)我們新鮮的空氣。
144. So precious is time that we can't afford to waste it.時(shí)間是如此珍貴，我們不能浪費(fèi)它。
145. Rich as our country is， the qualities of our living are by no means satisfactory.雖然我們的國(guó)家很富有，但是我們的生活質(zhì)量卻令人很不滿意。
146. The harder you work， the more progress you make.你越努力，你越進(jìn)步。
147. The more books we read， the more learned we become.我們書讀得越多，我們?cè)接袑W(xué)問。
148. To average people， they often tend to live under the illusion that English often means a good opportunity for one's career， is this really the case?對(duì)于一般人來說，他們常常以為掌握英語(yǔ)就意味著一份好的工作，然而這是真的嗎?
149. By taking exercise， we can always stay healthy.通過體育鍛煉，我們能夠始終保持健康。
150. Listening to music enables us to feel relaxed.聽音樂能使我們放松。
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