A                　　　　　　　　 B

kept seeds from their best plants, gradually improving the quality of successive generations.

           　　　　  C                          　　　　　 D

75. Students completing a course in computer science and technology can look forward to find a

             　　　　 A                                                　　　　　　　　　 B      　　　　　C

wide range of jobs.

        　D

76. The departments concerned shall listen and accept criticisms and rational suggestions

                          　　　　　　　　　　　  A             　　  B

regarding the protection of women’s rights and interests.

      C                    　　　　　 D

77. Astronomers have increases their observation powers greatly through improved high-powered

                　　　　　　　  A                         　　　　　 B            　　　　　C

telescope, computer simulations and coordinate with other scientists.

                                  　　　　　　　　  D

78. In business as a whole, there is a controversy as to whether are businesses really encouraging

             A                          　　　　　　　　　　B