【推荐1】Americans love pets. In America, there are     1     families with pets than those with children.     2     is common that U. S. homes have some sorts of pets, such as monkeys, snakes and even wolves. But Americans’ all - time favorites are cats and dogs, because dogs can offer     3     (protect) from thieves and unwelcome visitors and cats can help get rid of the home unwanted pests. Beneath keeping pets, there lies     4     basic American belief: Pets have a right to be treated well. It is in Houston, Texas,     5     dogs can have their dinner delivered to their homes, just like pizza. Pets can even go with their owners on vacation. Besides, at least 75 animal welfare organizations exist in America     6     can provide care and adoption services for     7     (home) and ill - treated animals.     8     (pay) for the high - tech health care, people can buy health insurance for their pets. Pets are as basic to American culture as hot dogs or apple pie. By now researchers     9     (discover) that interacting with animals lowers a person’s blood pressure. Pets even encourage social relationships: They give their owners an     10     ( appear) of friendliness, and they provide a good topic of conversation.

【推荐3】阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

In China, the history of people planting and using bamboo can date back to as far as 7,000 years. As early as the Shang Dynasty, bamboo was being used in ancient people’s daily lives. It was used for food, clothing, housing, transportation,     1     (music) instruments and even weapons.

The     2     (apply) of bamboo in science and technology is thrilling. In 251 BC, Li Bing, in Sichuan,     3     (lead) the local people in building the Dujiang Weirs, the first irrigation network in the world, in which bamboo played     4     important role. The world’s oldest water pipe was also     5     (make) of bamboo. During the Han Dynasty, the people in Sichuan     6     (successful) sank a 1,600­metre­deep well with thick bamboo ropes. This technology did not spread to Europe     7     the 19th century, and it was by using the technology     8     the Americans drilled the first oil well in Pennsylvania in 1859.

In Chinese culture, bamboo is well­known as one of the “four gentlemen” in plants. To many distinguished men, bamboo is a symbol of goodness and     9    (honest). It is always closely related to people of positive spirits. Bamboo culture contributes to encouraging people to hold on when     10     (face) tough situations.

【推荐1】阅读下面短文，在空白处填入 1 个适当的单词或括号内单词的正确形式。   

When you read a book, you’ve probably noticed that a brand new book has a rather special smell,     1     differs from that of an older book. Where does     2    come from? Three source -the paper, the ink and the glue.

Around 200 AD, the Chinese first came up with paper, one of the greatest     3     (invent) in the world. It is made     4     wood. The wood must be processed with various chemicals     5     (add) to change its structure, to remove acid and to whiten the paper. Then comes the ink—there are many kinds. Some fade with time, while others get     6    (dark) than years ago. Finally, different glues     7     (use) to join the sheets together and attach the covers, whether hardcover or paperback. Therefore, you can smell different chemicals     8     (come) out of your new book.

Today, the forms of books     9     (change) dramatically since the birth of eBooks. They might be     10     (convenience), but you can’t give your copy to others as a present, and they don’t smell as nice.

【推荐3】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Lots of cats love having cat companions, but if yours doesn't, it might act out by showing fear or aggression.

This doesn’t     1     (necessary) mean you have to give one up! "Cats show great flexibility in     2     (they) social behavior,” says Kristyn Vitale, a researcher at the Human-Animal Interaction Lab at Oregon State University, US.

She suggests     3     (separate) the cats into different areas of the house and slowly reintroducing them to one another using a method     4     (call) "Scent, Sight (遗臭)，Touch”： Take a toy or blanket from each cat and exchange them. Give each cat the other cat's scent item along     5     lots of praise and rewards so they connect the smell with good things. After doing this a few times, set up a space     6     the cats will be able to see one another through a physical barrier, like a screen door or gate. Then feed them, so they start to connect positive     7     (feeling) with the sight of the other cat. After a few     8     (success) feeding periods, you can try to introduce the cats without a barrier (障碍)——distract each cat with toys during their first meeting in the same room, so they have less time     9     (worry).

“If owners go slow and give lots of rewards, many cats can learn to accept     10     companion cat,"   Vitale says.