71. In these wars countless __________people lost their lives.

70. He’s a _______man who can make his own decisions.

　 A. mature　　　 B. liberal　　 C. memorial　　　 D. instant

69. There are ___________ answers to your question. No wonder their answers are quite different.

　 A. optional　　 B. compulsory　　 C. required　　　 D. alternative

68. The _______ breakthrough on the vaccine(疫苗)was a stimulus for further research.

　 A. initial　 B. potential　 C. essential　 D. commercial

67. Please report to the ______department or manager. They are in charge of such things.

　 A. personal　　　 B. permanent　　 C. personnel　　 D. personality

66. After the ______ sales forecasts, production was halved.

　 A. optimistic　　　 B. pessimistic　　 C. positive　　 D. negative

65. The doctor gave me ______ instructions on when and how to take the medicine.

　 A. evident　　　　　　　　 B. enthusiastic　　　　 C. explicit　 　　　　　　　　 D. energetic

64.　I admired your ______ handling of the situation.　

A. diverse　　　　　　　　 B. desperate 　　　　 C. dynamic　 　　　　 D. delicate

63. He has some rather strange ideas sometimes, but no one can doubt his ______ good sense.　

A. fundamental　 B. original　 　　　　　　　　　　 C. primitive　 　　　　　　　 D. former 　　

62. The new regulations are ______ calculated(精心策划) to make cheating impossible.

A. apparently　　 　　 B. deliberately　　　 C. extremely　　　 D. approximately