77. They spent a long time in going into practical details _______　 _______ (与有联系) the

building of the stadiums for the 26^th Summer Universiade (2011 Shenzhen).

76. ______ 　______　 ______ (依照) natural resources, Japan is the poorest country in Asia.

75. The US government will have to meet the c____________ (挑战) of rising unemployment.

74. The lawyer acted as her r____________ (代表) in the hearings.

73. One of Barcelona’s most famous l____________ (地标) is the Church of the Sagrada Familia,

which was designed by an architect called Antonio Gaudi.

72. It is my r____________ (责任) to make sure that all the lights are turned off when we leave

the classroom.

71. Philosophers are people whose ideas are very i____________ (有影响力) .

70. For many years, Mencius travelled from state to state, teaching the p____________ (原则) of

Confucius.

69. Weather experts have f____________ (预报) another big sandstorm in a week’s time.

68. Sandstorms appear to have increased in China recently as a result of “d _________ (沙漠化)”.