急求21世纪大学实用英语综合教程第三册7、8题答案、、、、正确的

第一单元
7.
1.Each time I look at the photographs I took in the countryside, I think of the friends that I made there.
2.Each time an experiment was performed, he would check and recheck the results obtained.
3.Each time I meet him on weekends, he is in high spirits and joins in all kinds of acitivitied whenever he can.
4.Every time she travels by plane, she feels nervous and worried about her own safety.
5.Every time I lose heart, he always tells me to take a positive attitude and look for the best result from anything that seems bad,
6.Every time you feel like smoking, remind yourself how much healthier you are without smoking.
8.
1. improve the situation instead of looking on the negative aspects.
2.Instead of going to work in a bad mood
3.If you had an axe instead of a knife
4.they chose him instead of you
5.under a tree instead of in the library
6.look younger instead of older
第三单元
7. 1. He used to be involved in community affairs,
2. You will soon get\be used to it.
3. and he used to take me around his laboratory.
4. It used to be a large orchard then,
5. he is used to being the center\focus of public attention
6. but back in his office he is used to giving orders
8. 1. I haven’t seen any snow since I moved to Florida.
2. I have spoken to him only once since the party.
3.She has been working for the company since she graduated from college.
4. The English football team has not won the World Cup since 1996.
第四单元
7.
1. It wan’t until midnight that it stopped raining.
2. It wasn’t until yesterday that I noticed something wrong with the machine.
3. It wasn’t until they left the church that Jane discovered she had lost her watch.
4. It wasn’t until April 16,1917 that the United States entered the war.
5. It wasn’t until recently that the cure for the disease was developed.
6. It wasn’t until the harm was already done that they began to deal with the problem.
8. real; own; choices; other; more; belief; so; believe; Whether; set
第五单元
7
1. feel as if you were the most unfortunate person in the world.
2. feel as if he had accomplished a great deed.
3. felt as if I had known her for years.
4. feel as if some needles were piercing your skin?
8.
1. not to leave to tomorrow what ought to be done today.
2. not to judge a person by appearance
3. not to touch it
4. not to send him to boarding school
第六单元
7．
1. The girl could not read, nor could she write.
2. The boy is not satisfied with the living conditions, nor are his classmates
3. Ted was not at the meeting, nor was he at work yesterday
4. Mary hadn’t said a single word since supper, nor had her husband
5. They didn’t invite me, nor did they invite my parents
6. The parents never punish their child, nor does the teacher.
8
1. To my deep regret, I am unable to accept your kind invitation
2. To John’s surprise, this college graduate couldn’t even operate the computer.
3. To the parents’delight, their son had fully recovered from the disease.
4. To our great disappointment, we played so well yet stilllost.
5. To everyone’s shock, Brian died of a heart attack yesterday — he’s so young!
6. To the woman’s horror, she saw her neighbor killed in the accident.
第七单元
7: 1.Hopefully, the suicide rate among college students will soon be under control.
2. Several of the passengers were hurt. Luckily, none was killed.
3. Fortunately, a doctor was nearby when he suffered the heart attack.
4. Not surprisingly, people in large cities have begun sharing taxis in order to save both time and money.
5. Unfortunately, I didn’t have my credit card with me or I’d certainly have bought the beautiful dress for my girlfriend.
8: 1.It is said that only three people in the world can understand his theory.
2. It was reported that the divorce rate dropped by 1.5% last year.
3. It is known to us all that parents are our first teachers.
4. It was officially announced that the government would increase the funding for higher education.
5. It is thought that every European can speak English, but that’s just no
第八单元
7 1. with the completion of the bridge construction
2.with theintroduction of the new teaching method
3.with the pollution of their water and land
4.with the help of radioactive elements
8 1.Tom did not join the navy ,instead ,he decided to became an actor
2.Jack did not go to the library as had planet . instead,she met up some friends and went for a drink
3.Bob did not feel upset,instead,he remained happy even after their new car was stolen
4.Grace did not marry the young man she really loved .instead,she became the wife of a 77-year-old millionaire.