UNIT 5: INVENTION

It is convenient for you to surf social media on ____ when you travel.

• e-books

• laptops

• online game

• smartphone

A washing-machine is ______ for saving time and energy while doing housewwork.

• help

• allow

• useful

• portable

A photo camera is ________ invention to keep happy momeries.

• valuable

• useless

• helpless

• value

The navigation application on a smartphone is ______ searching the name of street. 

• helped

• allowed

• suitable for

• used

Answer explanation

to be suitable for something/doing something: phù hợp cho việc gì/ làm việc gì

to help/allow someone to do something: giúp/ cho phép ai làm việc gì

to be used for something/doing something : được sử dụng cho việc gì/ làm việc gì

What is the antonym of "software"?

What are the characteristics of smartphones?

• portable, valuable, useless

• unportable, valuable, useful

• portable, valuable, useful

• portable, valuable, inconvenient

Artificial Intelligence (AI) _____ robots to think and act like humans.

• provides

• helps

• talks

• links

Answer explanation

to help someone to do something: giúp ai đó làm việc gì

Thomas Edison, Benjamin Franklin, James Watt are among of the greatest ____ of all time.

• invent

• invention

• inventor

• inventors

Answer explanation

invention (n): sự phát minh, sự sáng chế

to invent (v): phát minh, sáng chế

inventor (n): nhà phát minh, nhà sáng chế

Laptops allow us _______ distant international courses.

• attending

• attended

• to attend

• attends

Answer explanation

to allow someone to do something (phr v): cho phép ai đó làm việc gì

The new invention has been successfully invented in a _________ for a long time.

Choose the correct answer.

• laboratory

• school

• hospital

• factory