Although English people don’t care about what they eat, they care about the places   小题1:they eat. Rich families usually have a nice dining room.

English people like to eat out. The rich go to big   小题2: . The poor go to small ones or fast-food restaurants. There are also a lot of   小题3: restaurants, such as Italian, Chinese, Indian,

 小题4: and so on. A good restaurant is usually big and clean. Waiters and waitresses wear

 小题5:  and are friendly and 小题6: . When you are eating, you might hear gentle 小题7: . Small restaurants or fast-food restaurants are noisier but clean and pleasant, too.

In summer, English people like eating 小题8: . People bring baskets of sandwiches and sit on the   小题9: in the park, enjoying the sun. Some English kids’ favorite food is pizza, and most kids hate vegetables. Some of them like   小题10:  the most famous English food, fish and chips.

假定某印刷车间印刷品的价格为每件10元，工人的日工资率为63元。当工人的日投入量L分别为10、11、12、13人时，其边际产量分别为10、9、7、4件，伴随工人人数的增加，也带来其他可变成本的增加，每件印刷品的其他可变成本为1元。为谋求利润最大，该车间应雇用（）个工人。

A.10

B.11

C.12

D.13