His goal is not to become a sportsman ______ a champion in a certain field.

A:but rather became B:but rather to become C:but rather becoming D:but rather to becoming

(Since the beginning) of this century, more and more scientists (have become) interested (in) (the way how) the human brain works.

A:Since the beginning B:have become C:in D:the way how

Dogs are often【C1】______man’s best friend. For those who are blind, a dog is【C2】______than a friendly company. A dog is a pair of sharp eyes. A【C3】______dog guide gives blind people the【C4】______to move through the world safely and freely. A dog guide is also a best friend. 【C5】______a working team of a dog and a person is not easy. There are no factories making thousands of dog guides a day. There are however, schools all【C6】______the country that train both blind people and the dogs they depend upon. The process of education is long for both the dog and its human partner. A dog begins schooling as puppy. Around age of 8 weeks, the puppy is placed with a faster family. There it【C7】______training and gets used to【C8】______around people. When a dog is about a year old, it goes off to school for a series of tests. These tests help the school【C9】______whether the dog is likely to make a good guide. Dogs that fail the tests are placed in permanent homes. 【C10】______that pass the tests go into a training【C11】______ For the next four-to-six months, the dog learns everything【C12】______needs to become a dog 【C13】______The dog learns to stay focused. It learns to ignore food, smell and other animals. It learns to remain【C14】______by such noises such【C15】______shouting or music from a passing car radio. It learns to【C16】______commands like "right", " left" or " forward ". The dog learns to stop before every curb and stairway and to【C17】______moving objects. In short, good dog guides learn to keep their【C18】______safe while they go about the everyday actions of life. A dog that【C19】______completed training will be【C20】______a master.【C5】

A:Becoming B:To become C:Became D:Become

Direction: There are 20 blanks in the following passage. For each blank there are four choices marked A, B, C and D. Choose the ONE answer that best fits into the passage. Then mark the corresponding letter on the Answer Sheet with a single line through the centre. Dogs are often 21 man’s best friend. For those who are blind, a dog is 22 than a friendly company. A dog is a pair of sharp eyes. A 23 dog guide gives blind people the 24 to move through the world safely and freely. A dog guide is also a best friend. 25 a working team of a dog and a person is not easy. There are no factories making thousands of dog guides a day. There are however, schools all 26 the country that train both blind people and the dogs they depend upon. The process of education is long for both the dog its human partner. A dog begins schooling as puppy. Around age of 8 weeks, the puppy is placed with a faster family. There it 27 training and gets used to 28 around people. When a dog is about a year old, it goes off to school for a series of tests. These tests help the school 29 whether the dog is likely to make a good guide. Dogs that fail the tests are placed in permanent homes. 30 that pass the tests go into a training 31 . For the next four-to-six months, the dog learns everything 32 needs to become a dog 33 . The dog learns to stay focused. It learns to ignore food, smell, and other animals. It learns to remain 34 by such noises such 35 shouting or music from a passing ear radio. It learns to 36 commands like" right", "left" or" forward". The dog learns to stop before every curb and stairway and to 37 moving objects. In short, good dog guides learn to keep their 38 safe while they go about the everyday actions of life. A dog that 39 completed training will be 40 a master.

A:Becoming B:To become C:Became D:Become

Dogs are often【C1】______man’s best friend. For those who are blind, a dog is【C2】______than a friendly company. A dog is a pair of sharp eyes. A【C3】______dog guide gives blind people the【C4】______to move through the world safely and freely. A dog guide is also a best friend. 【C5】______a working team of a dog and a person is not easy. There are no factories making thousands of dog guides a day. There are however, schools all【C6】______the country that train both blind people and the dogs they depend upon. The process of education is long for both the dog and its human partner. A dog begins schooling as puppy. Around age of 8 weeks, the puppy is placed with a faster family. There it【C7】______training and gets used to【C8】______around people. When a dog is about a year old, it goes off to school for a series of tests. These tests help the school【C9】______whether the dog is likely to make a good guide. Dogs that fail the tests are placed in permanent homes. 【C10】______that pass the tests go into a training【C11】______ For the next four-to-six months, the dog learns everything【C12】______needs to become a dog 【C13】______The dog learns to stay focused. It learns to ignore food, smell and other animals. It learns to remain【C14】______by such noises such【C15】______shouting or music from a passing car radio. It learns to【C16】______commands like "right", " left" or " forward ". The dog learns to stop before every curb and stairway and to【C17】______moving objects. In short, good dog guides learn to keep their【C18】______safe while they go about the everyday actions of life. A dog that【C19】______completed training will be【C20】______a master.【C5】

A:Becoming B:To become C:Became D:Become

Dogs are often【C1】______man’s best friend. For those who are blind, a dog is【C2】______than a friendly company. A dog is a pair of sharp eyes. A【C3】______dog guide gives blind people the【C4】______to move through the world safely and freely. A dog guide is also a best friend. 【C5】______a working team of a dog and a person is not easy. There are no factories making thousands of dog guides a day. There are however, schools all【C6】______the country that train both blind people and the dogs they depend upon. The process of education is long for both the dog and its human partner. A dog begins schooling as puppy. Around age of 8 weeks, the puppy is placed with a faster family. There it【C7】______training and gets used to【C8】______around people. When a dog is about a year old, it goes off to school for a series of tests. These tests help the school【C9】______whether the dog is likely to make a good guide. Dogs that fail the tests are placed in permanent homes. 【C10】______that pass the tests go into a training【C11】______ For the next four-to-six months, the dog learns everything【C12】______needs to become a dog 【C13】______The dog learns to stay focused. It learns to ignore food, smell and other animals. It learns to remain【C14】______by such noises such【C15】______shouting or music from a passing car radio. It learns to【C16】______commands like "right", " left" or " forward ". The dog learns to stop before every curb and stairway and to【C17】______moving objects. In short, good dog guides learn to keep their【C18】______safe while they go about the everyday actions of life. A dog that【C19】______completed training will be【C20】______a master.【C5】

A:Becoming B:To become C:Became D:Become