56. Although many people view conflict as bad，conflict is sometimes useful it forces
　　people to test the relative merits of their attitudes are behaviors.
　　A) by which B) to which C) in that D) so that
　　57. He is ______ about his chances of winning a gold medal in the Olymp ics next year.
　　A) optimistic B) optional C) outstanding D) obvious
　　58. Sometimes I wish I ______ in a different time and a different place .
　　A) be living B) were living C) would live D) would have lived
　　59. The director was critical ______ the way we were doing the work.
　　A) at B) in C)of D) with
　　60. In a sudden ______ of anger，the man tore up everything within reac h.
　　A) attack B) burst C) split D) blast
　　61. ______ she realized it was too late to go home.
　　A) No sooner it grew dark than B) Hardly did it grow dark that
　　C) Scarcely had it grown dark than D) It was not until dark that
　　62. In Britain people ______ four million tons of potatoes every year.
　　A) swallow B) dispose C) consume D) exhaust
　　63. I'd ______ his reputation with other farmers and business people in the community，
　　and then make a decision about whether or not to approve a loan.
　　A) take into account B) account for C) make up for D) make out
　　64.It is essential that these application forms ______ back as early as possible.
　　A) must be sent B) will be sent C) are sent D) be sent
　　65. She cooked the meat for a long time so as to make it ______ enough to eat.
　　A) mild B) slight C) light D) tender
　　66. We take our skin for granted until it is burned ______ repair.
　　A) beyond B) for C) without D) under
　　67. The computer revolution may ewll change society as ______ as did the Industrial
　　Revolution.
　　A) certainly B) insignificantly C) fundamentally D) comparatively
　　68. ______ in this way，the situation doesn't seem so disappointing.
　　A) To look at B) Looking at C) Looked at D) To be looked at
　　69. A lot of ants are always invading my kitchen.They are a thorough ______ .
　　A) nuisance B) trouble C) worry D) anxiety
　　70. Some women ______ a good salary in a job instead of staying home，but they decided
　　not to work for the sake of the family.
　　A) must make B) should have made C) would make D) could have made