八年级上综合练习册答案

C
1. They went to a competition for young inventors.
2. They went there in a truck.
3. They got stopped under a low bridge.
4. Because the truck was too tall to go under the bridge.
C
1. b
5. d
2. a
6. b
3. b
7. a
Fra Baidu bibliotek4. c
8. c
D2 (Possible answer) The most useful invention All these inventions have helped people live a better life, but we think the Internet has changed the world the most. It has made the world seem much smaller. This invention has made it possible for everyone to be connected. In the past, it took weeks or even months for a letter to arrive.
Listening and speaking A
1. better 2. comfortable 3. carriages 4. practical 5. Since
6. speak 7. distances 8. touch 9. anytime 10. daytime
B 1. b 2. c 3. b 4. c
5. T
C 1. Alexander Fleming 2. 1881 3. doctor 4. penicillin 5. 1928 6. It can kill bacteria and help save
people's lives.
Writing
(Possible answer) Robots Robots are now very popular and they can do many jobs for us. Here are some of the most popular robots.
Integration A
1. American 2. 1945 3. produce 4. next to
5. soft 6. cook things 7. 350 8. fridge
B 1. photographer 2. if all its legs left the ground 3. took one picture as the horse moved 4. the horse was moving 5. 24 to 30 pictures or frames
Vocabulary A
1. e 2. b 3. c 4. a 5. f 6. d
B 1. invent 2. at the same time 3. century 4. lamps 5. Since then 6. anytime
Grammar Al
1. good 2. worst 3. better 4. best 5. worse 6. bad
5. They let some air out of the truck's tyres.
Reading A
1. d 2. b 3. e 4. a 5. c
B 1. T
2. F; They taught themselves maths and engineering.
3. T
4. F; Orville made the first successful flight before Wilbur, on 17 Dec. 1903.
6. Kate doesn't spend as much money on food as Jim every month.
C 1. as good as 2. not as expensive as 3. as many; as 4. better 5. worse 6. better 7. father/further
Now it only takes seconds for an email. Without the Internet, our life would not be so convenient and information could not be passed so quickly between people. We think the Internet is the most useful invention. It has changed the world around us.
Roomba Roomba became famous as soon as it appeared in 2002. It can clean the floor without help. It also avoids the furniture and the stairs.
ASIMO ASIMO is the newest model. It appeared in 2011. It can walk run and climb the stairs lust like a human being, and it can work as a waiter in a coffee shop.
Help-mate This robot first appeared in 1984. It can carry food, medicine and other things around the hospital. It can also work as a guide.
AIBO AIBO looks like a lovely puppy. It can to touch see and hear. It first appeared in 1999. When it wants to show its feelings, it can move its body or change the colour of its eyes.
A2 2. best 3. worst 4. farthest/furthest 5. farther/further 6. worst 7. better 8. farthest/furthest
B1 2. isn't as expensive as 3. isn't as cheap as 4. is as tall as 5. isn't as deep as 6. isn't as wide as
B2
3. Carol buys as many books as Jim every month.
4. Luke spends as much money on food as Kate every month.
5. Luke doesn't spend as much money on clothes as Jim every month.