41. We will have more robots_____they can help us do housework and protect our houses.
A.so B.because C.so that D.although
42. A super smart TV will help us goods from the supermarket.
A.take B.buy C.carry D.order
43. We will have a robot in the garden____the flowers and ____the dogs and cats.
A.cut-take B.water - feed C.feed - take D.water - to wash
44. With a smart watch, you will your friends in other countries.
A.speak B.talk C.say D.contact
45. Robots will help us do the housework such as____the floors, meals and so on.
A.clean - cook B.to clean - to cook
C.cleaning – cookin D.cleaning - to cook
46. He hopes he will reduce the monthly cost of gas when he uses_____ energy for cooking foods or heating water.
A. warm B. solar C. sunlight D. hot
47. He believes that he saw a _____ flying in the sky last night. He was scared that the aliens would appear and take him out of the earth.
A. ship B.motorhome C lantern D. UFO
48. He's living in a_____ on a large river. It's very convenient for him to catch fish every day.
A. palace B.airplane C.houseboat D. flat
49. There are a lot of _____in her big city. I can't count how many floors there are.
A. skyscrapers B. spaces C. programmes D. tractors
50. She can keep vegetables and fruits fresh in her______ during a long time.
A. helicopter B. modern fridge
C. electric cooker D. spaceship
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