短文填空
Restaurant owners have to know how 1 （make）food. They also have to
know how to make money. Here are some things they 2 (learn)from scientific studies . The color red makes people hungry . Red also makes customers 3 (eat) faster. Many fast food restaurant, therefore , have red furniture or walls. Soft colors like pink and light blue make people 4 (relax),so they spend more time 5 (eat) their meals. Soft lighting makes people look good , but it makes food look bad.. Loud music may be nice at first, but it soon makes people want 6 (leave). Hard seats also make customers want to eat quickly and 7 (leave) . Many restaurants, especially fast food restaurants, 8 (use) this knowledge to make customers eat faster. Because customers 9 (stay) very long, small restaurants can 10 (serve) many people every day .