单句改错 1. There is no electrical station in this area. 2. It's hot, but the electrical fan isn't working. __ 3. You should send the electrical produced graph to the boss right away. __
【判断题】Whenever the number of different instruments used to replicate securities equals the number of states so that we can attain any pay off of securities in future, in such a circumstance, the market is a...
【简答题】Perhaps light is some sort of electric wave, whose nature we do not yet understand. He gave in his resignation, which was the best thing he could do in the circumstance. Cambridge University has nurtu...
【判断题】Whenever the number of different instruments used to replicate securities equals the number of states so that we can attain any pay off of securities in future, in such a circumstance, the market is a...