【填句补文】The weather of the Caribbean Sea is almost always warm and sunny．Sandy beaches line the coasts of many islands. ________. Many tourists arrive on cruise ships.

【填句补文】More and more Americans are living alone. Some live alone because of divorce or the death of a partner. ________. According to a recent U.S. census (人口普查), 25 percent of all households in the U.S. are made up of just one person.

【填句补文】Some 20，000 tons of antibiotics are used in the European Union and the US each year. More than half are give to farm－animals to prevent disease and promote growth. ________.

【填句补文】Mexico's current lack of funds is also partly due to oil. The country has rich oil fields and a few years ago, when oil was expensive, Mexico was selling large quantities of oil to the USA and earning a lot of money. ________. However, the price of oil then dropped, and Mexico has been left owing enormous sums of money and with not enough income from oil sales to pay back the loans.

【填句补文】As part of their study, the researchers used a special machine to take action photos of the students' brains. ________. This is the same part of the brain that becomes active when good readers read. This activated brain area appears to include a structure that helps people recognize familiar written words quickly.

【填句补文】He has also included symbols to show which ions are nutrients, and which are common in soil or water. ________.

【填句补文】When do people decide whether or not they want to become friends? During their first four minutes together, according to a book by Dr. Leonard Zunin. In his book, "Contact: The first four minutes," he offers this advice to anyone interested in starting new friendships: ________. A lot of people's whole lives would change if they did just that.

【填句补文】The typical person living alone is neither old nor lonely. ________. The majority of these people have chosen to live alone. They are responding to decreasing social pressure to get married and have a family.

【填句补文】Bees are flying insects closely related to wasps and ants, and are known for their role in pollination (授粉)and for producing honey and beeswax. ________ The best-known bee species is the European honey bee, which, as its name suggests, produces honey, as do a few other types of bee.

【填句补文】But Bali starlings are only found in a small area on the island of Bali in Indonesia. They live in the tall grasslands near the coast. ______ Today there are only 14 left in the wild on a single reserve. More than half of their habitat was converted into farmland, and forest plantation. Many of them were captured and sold as pets.