A scientist _________ several monkeys in order to study animal psychology. He took a glass bottle, _________ its cork (瓶塞) and put two peanuts inside it. The peanuts dropped to the bottom and were easily seen from the outside. He then passed the bottle to a monkey, who shook it _________ for a long while and was able to get the peanuts when they _________ fell out. The scientist then put some peanuts into the bottle again _________ he had done before and showed the monkey that it only needed to turn the bottle upside down for the peanuts to drop out. _________ the monkey always ignored his _________. Each time it just shook the bottle frantically, with great _________ but without necessarily achieving the _________ result.

Now the question is why the monkey was unable to understand ____________ the scientist instructed. ____________ because all its attention was focused on the peanuts. Instead, it must take its eyes off the peanuts and quickly ____________ its attention to the ____________ movement of the scientist and the way the bottle was turned upside down. To achieve this, it had to calm down and not be ____________ by the impulse (诱惑) of its appetite. Yet the monkey was not able to understand this. It is the instance like this that reveals the monkey's some psychology is just like ____________ of human being.

During summer vacations,I volunteered at the vet’s,so I’d seen a lot of _________.Minnie was by far the funniest-looking dog I’d ever seen.Thin curly hair rarely_________her sausage-shaped body,and her tail looked like a rat’s tail.She was brought to the vet to be put to_________because her owners didn’t want her anymore. I thought Minnie had a_________ personality,though.“No one should judge her by her_________ ,” I thought._________ ,I advertised Minnie in the local paper: “Funny-looking dog,well behaved,needs a(n)_________family.”

When a young man_________,I warned him that Minnie was_________looking.The boy on the phone told me that his grandfather’s sixteen-year-old dog had just____________.They wanted Minnie no matter____________.I gave Minnie a good bath and cleaned her____________hair.Then we waited for them to arrive.At last,an old car drove up____________the vet’s.Two kids raced to the door.They____________Minnie into their arms and rushed her out to their grandfather,who was waiting in the car.I hurried behind them to see his____________to Min-   rue*

Inside the car,the grandfather held Minnie in his____________and stroked her soft hair.She licked（舔） his face.Her rattail____________around so quickly that it looked like it might fly off her body. It was love at first lick."She’s____________ !” the old man said.I was ____________that Minnie had found the good home that she____________.That’s when I saw that the grandfather’s eyes were a milky white color-he was blind.