菱形钢带式离心摆的作用是()。
A、放大操作力
B、测量机组转速
C、防止机飞逸
D、反馈接力器的输出量
参考答案:B
66. France, England and Belgium are all ________ (欧洲) countries.
67. Nobody can have his determination ________(动摇)once he makes up his mind.
68. The match beside the cupboard is easy to ________ (划燃).
69. The trip promised to be long but ________ (惊险).
70. When I heard of his great achievements, I wished to say ________ (祝贺)to him at once.
71. He carried out many experiments but none ________ (成功).
72. ________ (权衡) advantages and disadvantages, he made the final decision.
73. We agree without much further ________ (争论).
74. You will be better accepted if you can speak more ________(自然地) in public.
75. The tractor was loaded with a lot of live ________ (鹅) and chickens.
B公司2004年度财务报表的主要数据如下: 单位:万元