41. plants native to America 原產(chǎn)于美洲的植物

42. Kangaroos are indigenous to Australia 袋鼠產(chǎn)于澳大利亞

43. with payment proportional to the work done 報(bào)酬與工作量成比例

44. compensation proportional to his injuries 得到的賠償與他受的傷成比例

45. anyone untrustworthy 任何一個(gè)不值得信任的人

46. The car broke down when we were still five miles short of our destination.

當(dāng)我們離目的地還有 5 英里時(shí)，車壞了。

拓展學(xué)習(xí)：I puzzled about it for a moment then realized how totally engrossed I was

in the wonderful display of unconditional love not more than an arm’s length away

from me.

我一時(shí)有些困惑，然后忽然意識(shí)到，就在不到一臂遠(yuǎn)的距離里，我是多么全神貫注地在觀

看著這場(chǎng)無(wú)條件的愛(ài)的美妙展示。

47. My father was only a year short of fifty when I was born.

當(dāng)我出生時(shí)，爸爸還差一歲就 50 了。

48. a dark, cloudy night with no stars visible to（the naked eye）

一個(gè)漆黑、多云，看不到星星的夜晚

49. Those?younger than 50?will only gain a maximum of $ 21,000.

而那些年齡未滿 50 歲的最多只能得到 2.1 萬(wàn)美元。

50. After a few moments of an agony frightful and absurd, he decided to go and meet

his doom.

經(jīng)歷了片刻可怕而又荒唐的痛苦，他決定去面對(duì)自己的命運(yùn)。