Today a large coal-fired power plant can give out in a single year as much poisonous gas as was blown out by the May 18,1980 outbreak of Mount St. Helens, ______ some. 400,000 ton.
| A．its amount was | B．amounts to | C．amounting to | D．it was amounted |
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The newly-discovered star was named _____ a Chinese astronomer ________of his contributions to astronomy.
A．for; in favor of |
B．after; in honor of |
| C．by; in memory of | D．as; in praise of |
–Excuse me. Can you spare me a few minutes?
--_________
| A．What’s on? | B．What’s up? | C．What’s more? | D．What is it? |
_______ we admit that there are still some problems about the system of modern education, we don’t mean that it is of no use.
| A．Until | B．While | C．As | D．Unless |
All the employees except the manager _______ to work online at home.
| A．encourages | B．encourage |
| C．is encouraged | D．are encouraged |
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