(一) 選擇正確的單詞填入句子并翻譯每個(gè)句子。
1. The number of _____species increases every year as natural habitats disappear.
A)dangerous B)serious C)endangered D)hazardous
答案:C
譯文:由于棲息場(chǎng)所遭到破壞,瀕臨滅亡的物種數(shù)量每年都在增長(zhǎng)。
解析:dangerous危險(xiǎn)的;serious嚴(yán)重的;endangered遭受危險(xiǎn)的;hazardous災(zāi)難的。因此,選項(xiàng)C是正確的。
2. Outlines are used most often to ____the contents of long complex papers before the actual writing begins.
A)sketch B)illustrate C)draw D)describe
答案:A
譯文:提綱是在寫文章之前,對(duì)長(zhǎng)篇繁雜的文章列出框架。
解析:Sketch大綱,概略;illustrate闡明;draw畫;describe描寫。因此,選項(xiàng)A是正確的。
3. We must ___the telegram arrives in time.
A)secure B)assure C)ensure D)certify
答案:C
譯文:我們必須確保電報(bào)及時(shí)到達(dá)。
解析:secure安全的;assure使確信;ensure確保;certify證明。因此,選項(xiàng)C是正確的。
4. During their first teacher training year, the students often visited local schools for the ___of lessons.
A)observation B)observance C)investigation D)inspection
答案:A
譯文:在第一年教學(xué)實(shí)習(xí)時(shí),學(xué)生常常到當(dāng)?shù)貙W(xué)校去聽觀摩課。
解析:observation觀測(cè);observance遵守;investigation調(diào)查;inspection檢查。因此選項(xiàng)A是正確的。
5. They were just going to give up the question, ___suddenly they found the answer
A)when B)after C)unless D)until
答案:A
譯文:他們正準(zhǔn)備放棄問題時(shí),忽然想到了它的答案。
解析:此題需要一個(gè)時(shí)間狀語,when等于the momemt that正好符合題意,選項(xiàng)A便是正確的。