70.　　 从他的口音来判断，他肯定是湖南人。

69.　　 通过任何渠道进入海洋的营养物质都能很快被其他生物所利用。

68.　　 人和自然的良好关系将惠泽双方。

67.　　 1955年，Martin Luther King为声援一位黑人妇女而领导了一次联合抵制公交车公司的行动。

66.　　 老师禁止我们在教室里大声喧哗，因为我们需要一个安静的学习环境。

65.　　 Life in the oceans appears in different sizes, r______ from the tiniest plankton all the way up to giants like sharks and whales.

64.　　 Population growth is d_____ by 1.4% each year in Japan.

63.　　 His r______ include golf, football and shooting.

62.　　 The elderly need special care in winter, as they are s_____ to the sudden change of weather.

61.　　 The giant panda is u_____ to China.