keys: 1.whispering    2.smarter       3.accommodate    4.qualification  5.practical
6.satisfied      7.realities      8.envolopes     9.directly        10.natural

Keys: 1.polluted      2.separately     3.sparing     4.profession   5.figure
6.honestly      7.fifth          8. .distributed     9.opposite      10.restrict

Keys: 1.sheep      2.Poverty       3.shabby      4.sacrifice       5.tired
6.separated   7.visited        8.speaking       9.rare  10.reasonable

Keys: 1.ambulance   2.screamed      3.system      4.trend          5.deserted
6.worldwide   7.pretended      8.forgive      9.spiritual      10.regularly

Keys: 1.scientific      2.respected       3.discoveries     4.rights      5.ruled
6.camera        7.rockets         8.mention      9.dozen    10 passage

二十、单词拼写：
1. His job is to do ________(科学)research.                         1____________
2. All the teachers are ________(尊敬)by the students in our school.      2____________
3. He has made several ________(发现)in science.                    3____________
4. Einstein fought for human ________（权利）.                    4____________
5. Do you know by whom this country once was ________(统治)？      5____________
6. A c________ is a machine that makes photos.                      6____________
7. Man-made satellites are carried into space by r__________.          7____________
8. ‘You are so kind”, said Jim, “Don’t m__________ it.”                8.____________
9. “Paul gave me 12 apples” means“Paul gave me a d __________apples”.  9____________
10.The p_______ appeared in the newspaper was very exciting.          10____________

Keys: 1.accent     2.luggage      3.speech        4.polluted       5. curtain
6.struggled   7.centimeters   8.point         9.plastic       10.questioned

十九、单词拼写：
1. From his ________(口音). We can know that he’s from Beijing.        1.____________
2. My son carried my ________(行李)to the bus station.                2.___________
3. I am working at my ________(演讲), changing them and bettering them. 3.___________
4. There are few fish in the________(污染)rivers.                     4.____________
5. She got up and drew the ______(窗帘) aside.                       5._____________
6. He s_______ to his feet and walked slowly towards the door.           6.___________
7. This ruler is 50 c_________ long.                                7.____________
8. Don’t p________ your gun at others.                             8.____________
9. He bought a p_________ raincoat yesterday.                       9.____________
10.The policemen q__________ him about the stolen car.              10.___________

Keys: 1. temperature  2.situation    3.rebuilt       4.world-famous     5.serious
6.turn           7.fly         8.permission    9.present         10.international

十八、单词拼写：
1. In summer, a sudden change in t_____(温度) could bring rain.                  1____________
2. The________(形势) both at home and abroad is excellent.                      2____________
3. They had the building________(重建) after the fire.                           3.____________
4. As everyone knows, he is a________(世界著名)expert on DNA.                  4____________
5. I want to put you on a very________(严肃)subject.                            5____________
6. Please t ________the music down when I answer the phone.                      6____________
7. How many passengers does this airline f ________every week.                   7____________
8. Nobody can go in without the teacher’s p_________.                           8____________
9. At p________, about 20% of the smokers have given up smoking.                  9____________
10.We can read both home news and i ________news in the newspaper.             10____________