46.Though you stay in the sea for weeks, you will not____________(失去联系) the outside world.
　　
　　47. Cancer is _________________(仅次于) heart disease as a cause of death.
　　
　　48. It is a pity that we should stay at home when we have ______________(这么好的天气).
　　
　　49. I would ______________(不会诉诸法律) a court of law if I hadn’t been so desperate.
　　
　　50. John cannot afford to go to the university, _________________(更不用说出国了).
　　
　　

　　答案

　　46. lose contact with
　　
　　47. second only to
　　
　　48. such fine weather
　　
　　49. have never resorted to
　　
　　50. not to speak of/not to mention/let alone going abroad