2. I do not expect a 7-year-old boy to understand this difficult math theory. His performance really________my expectations.
(A) proceeds
(B) exceeds
(C) concedes
(D) intercedes

18. If education produces positive externalities, we would expect (A) the government to tax education. (B) the government to subsidize education. (C) people to realize the benefits, which would increase the demand for education. (D) colleges to relax admission requirements.

19. If wages are sticky, then a greater than expected increase in the price level (A) raises the real costs of production, so the short-run aggregate supply curve shifts left. (B) raises the real costs of production, so the aggregate quantity of goods and services declines. (C) reduces the real costs of production, so the short-run aggregate supply curve shifts right. (D) reduces the real costs of production, so the aggregate quantity of goods and services rises. 

20. Listed in the table are the long-run total costs for three different firms. Which firm is experiencing diseconomies of scale?(A) Firm A only. (B) Firm B only. (C) Firm C only. (D) Firm A and Firm B only.

1. This girl requires________ attention from doctors and nurses； this means, they need to spend most of their time taking care of her. (A) constant (B) literary (C) short (D) tentative

3. Using a coin__________ to decide major life decisions may ultimately make you happier. (A) toast (B) tosh (C) toss (D) toll

4. The boat__________ on the rough sea due to the bad weather. (A) fluctuated (B) mutated (C) transmuted (D) transposed

5. The boss of this company is unwilling to listen to the opinion of his employees. Whenever an employee tries to make some suggestions, the boss__________ them as unhelpful. (A) continues (B) misses (C) dismisses (D) desists

6. This winter is unusually cold. The temperature__________ from the norm significantly. (A) attributes (B) motivates (C) discredits (D) deviates

7. Not going to college should no longer be__________ . (A) stigmatized (B) facilitated (C) applauded (D) flattered

8. She has tried to ingratiate herself with voters by promising a tax cut. The word "ingratiate" means__________ . (A) to implant bitter feelings in oneself (B) to cause persistent suffering to oneself (C) to gain favor or approval by doing or saying things that people like (D) to get oneself to do something by gentle urging or encouragement.