We should all remember that some great scientific discoveries _____ by chance. [
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We should all remember that some great scientific discoveries _____ by chance. |
[ ] |
A. gained B. discovered C. occurred D. earned |
答案
C |
举一反三
We _____ today not a victory of a party but a celebration of freedom, symbolizing an end as well as a beginning, signifying renewal as well as change. |
A. enjoy B. observe C. watch D. suspect |
The society was set up to _____ endangered species from extinction. |
A. deserve B. preserve C. observe D. reserve |
Last month, our English Department invited a local radio star to _____ a public lecture on the topic of media influence on society. |
[ ] |
A. communicate B. demand C. deliver D. converse |
While _____ in tea with that dealer, Mr. Smith had himself _____. |
A. trading; ripped off B. buying; ripping off C. selling; ripped off D. purchasing; rip off |
He had his left leg _____ when trying to save one of his workmates from the fall of a wall. |
A. destroyed B. wounded C. injured D. ruined |
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