[originaltext]6. The Gardening Expo. was supposed to open tomorrow, but will be

游客2023-12-22  17

问题  
6. The Gardening Expo. was supposed to open tomorrow, but will be delayed until Friday, due to the bad weather conditions.
7. The closing of the textile factory, with two thousand workers being laid off, has doubled the unemployment rate in that town.
8. I can’t imagine why Mr. Nicholas hasn’t turned up yet. He was due for the board meeting before now.
9. Within the past century, scientists have been trying unsuccessfully to find a real cure for the common cold.
10. Twice as many tickets for the Auto Show could have been sold, but the exhibition hall has only a capacity for 500 visitors.

选项 A、Scientists have found a cure for the common cold in the past century.
B、Scientists’ discoveries were often misunderstood by the common people.
C、Scientists have yet to discover effective ways to conquer the cold virus.
D、Scientists have been unable to explain the cold climate in the past century.

答案 C

解析
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