问题
选择题
We must do something to _____ factories _____waste water into the river before it is cleaned.
A．stop; pouring .
B．prevent; to pour
C．keep; pouring
D．stop; to pour
答案
答案：A
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We must do something to _____ factories _____waste water into the river before it is cleaned.
A．stop; pouring .
B．prevent; to pour
C．keep; pouring
D．stop; to pour
答案：A
An analyst does research about risk management application of option strategies. An investor who initiates a covered call strategy gathers the following information:
| Stock price | $60.55 |
| Strike price | $65.17 |
| Call price | $3.14 |
A. $1.48
B. $4.62
C. $7.76