79.　 When the habitat of a species is changed or destroyed, the animal or plant has to either a_____to the change or find a new home.

78.　 If we know more about what causes endangerment, we may be able to take m_______ before it is too late.

77.　 Steve Jones is an __________ (经验丰富的)expert who tries to keep animals and plants from becoming endangered.

76.　 They are ________　 (接见) Michael for the job.

75.　 The students o___ the rules and agree not to use their phones in the classroom.

74.　 If they_____ ( 成功), they believe that humans and machines can live together like friends in the future.

73.　 The students have decided to come up with a peaceful_____(和平的)solution.

72.　 An electronic calendar that will _____(提醒) you about appointments and important dates.

71.　 The latest cellphones have f_____ such as games, music and an electronic calendar.

70.　 Word and i _____ are being sent throughout the world.