【C17】
A. started
B. replaced
C. conducted
D. proposed
A．predictB．manageC．runD．share
A. predict
B. manage
C. run
D. share
某公司去年营业收入为S00 7Y元，变动成本率为40％，经营杠杆系数为1．5，财务杠杆系数为2。如果固定成本增加50万元，那么，总杠杆系数将变为()。
A. 2．4
B. 3
C. 6
D. 8
Which of the following is the best definition of a civilization？
A. Neolithic towns and cities
B. Types of complex cultures
C. An agricultural community
D. Large population centers
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