You have to pay a(n)premium for express delivery. A: extra charge B: extra price C: extra tip D: extra bonus

Given what you know about ape and human dentition, what is odd about this gorilla mandible? A: The teeth are excessively worn B: The canines are too large C: The molars are too long D: There is an extra (fifth) incisor

If demand is price elastic and price decreases, then A: the extra revenue from the extra units sold is exactly offset by the loss in revenue due to the lower price B: more information is necessary to determine what happens to total revenue C: the extra revenue from the extra units sold is less than the loss in revenue from the lower price D: the extra revenue from the extra units sold exceeds the loss in revenue from the lower price

Providing extra information___________________________

Go The Extra Mile

There is an extra charge of 100% for express service.

​There will be an extra charge for any _______ passengers. (addition)‌​‌

extra同义词 A: free B: additional

I was given extra money by the boss.

We charge ____________ for express service, but it only takes 5 hours. A: 50% more B: more 50% C: 50% extra D: extra 50%