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【单选题】
听力原文：M Did you see the weather for this weekend? We're supposed to have stormy weather starting Friday morning. Should we postpone our department outing? We could move it to the following Saturday. W I wouldn't be able to make it because I'm going out of town that weekend. Why don't we just cancel the afternoon activities and keep it to lunch? M That's a good idea. Do you think the others will mind? W I think they would welcome the idea. We've had so much work this week everyone is exhausted. I'll go talk to everyone and let them know what's going on. Could you also call the restaurant and make sure that we're seated inside? When will the storm start?A.
On Thursday
B.
On Friday
C.
On Saturday
D.
On Sunday
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【单选题】某反应正反应的反应热等于- 88.3kJ/mol ,活化能为 113 kJ/mol ,则逆反应的活化能( kJ/mol )为 ( ) 。
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