1、pt_. A. childrens booksB. travel guidesC. magazines( )74. _lost the white cat. A. CathyB. The assistantC. Carrie( )75. The assistant has lunch at the restaurant, she should_. A. pay nothing B. call 4323577C. work on Monday ( D )Potatoes are very popular today. But in the past this was not true. Pota
2、toes grew in South America 5,000 years ago. But they only became popular in other places 200 years ago.In the 16th century, the Spanish took the potato from South America to Europe. But the people didnt like this strange vegetable. Some people thought that their skins would look like the skin of the
3、 plant if they ate the potato. So they only ate the leaves. This made them sick because there is poison (毒药) in the leaves.In the 1800s, people started to eat potatoes. Potatoes became the main food in Ireland. Then something unlucky happened. In 1845, a disease killed all the potatoes in Ireland. T
4、wo million people died of hunger.Today each country has its potato dish. Germans eat potato salad, and the USA has the baked potato. Of course, the French invented French fries.Fill in the blanks according to the passage. Only one word for each blank.Potatoes were(76)_in South America 5,000 years ag
5、o. But they werent popular in other places(77)_200 years ago. In the 16th century, the Spanish took them to Europe. They ate leaves (78) of having potatoes. As a result, people were badly ill because of the poison in the leaves. In the 1800s, people started to eat potatoes. (79)_, there was somethin
6、g wrong with the potatoes. Two million people died because of the shortage (缺少) of potatoes in 1845. But now there are many (80)_of potato dishes in the world. ( E ) In the mid 1990s, people started doing business on the Internet. There were two kinds of companies then. First, there were traditional
7、 companies. They sold things in stores. Then, there were Internet companies. They didnt have a store, and they only sold things on the Net.Traditional companies didnt want to lose any business. Quickly, they made their own websites and began selling things on the Net. These are the so-called“brick a
8、nd click”companies (砖块点击公司). Many stores are made of brick. And you click on your mouse to buy things with your computer. Thats where the name“brick and click”comes from.By the late 1990s, competition among Internet companies was great. So e-business like , , and were in trouble. Their profits (利润)
9、 were not very high. Many of these businesses were losing much money. In 2000, many e-businesses went out of business.Why are brick and click companies, like Barnes and Walmart so successful? First, many customers know and trust (相信) their names. Their websites are easy to remember. These companies also have a lot of experience. In a word, they know how to run a successful b
