Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word that best fits each of the numbered blanks from 7 to 11. Scientists believe that the smart home may be the home of the future. Smart homes may be of different shapes and sizes. Scientists have designed an eco houseboat (7)_____ is a kind of house floating on the sea. However, (8) _____ houseboat is stable and doesn't rock heavily when there are big waves. It makes use of wave ...

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word that best fits each of the numbered blanks from 7 to 11.

Scientists believe that the smart home may be the home of the future. Smart homes may be of different shapes and sizes.

Scientists have designed an eco houseboat (7)_____ is a kind of house floating on the sea. However, (8) _____ houseboat is stable and doesn't rock heavily when there are big waves. It makes use of wave and solar energy to move around and provide power. It also has solar panels (9) _____ the top of the house to generate electricity, and it can recycle (10) _____kinds of household waste.

A robot controls everything in the house and does the housework. In the kitchen, smart refrigerators and dishwashers can automatically work by themselves. A smart oven can cook your favourite dishes. All these things and other (11) _____ will make our life much better.