1 . Learning that you are coming to China recently and the high-speed railway greatly ______ your interest, honored and delighted, I’d like to extend my warmest welcome to you. (根据句意填空)
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2 . Their evidence shows the virus found in patient samples ________from laboratory contamination (污染).
| A．rose | B．aroused | C．arose | D．raised |
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3 . Many scientists feel that the current climate changes ________ from the heavy pollution.
| A．arise | B．arouse | C．rise | D．raise |
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