UNIT 5: INVENTIONS - Vocabulary

Smartphone can be a great learning ____ but you need to think of how to use it effectively.

• benefit
• choice
• invention
• tool

It is convenient for you to read ____ when you travel.

• e-books
• laptops
• online game
• smartphones

Many young people carry a pair of earbuds as they are small, light, and ____.

• chargeable
• economical
• portable
• transferable

Velcro has gradually become a familiar ____ for shoes, jackets, and even spacesuits.

• button
• fastener
• locker
• zipper

Most smartphones now ____ flash player as well as voice and video calls.

• display
• offer
• provide
• support

Many students prefer ____ assignments on their laptops to writing traditionally.

• reading
• searching
• sending
• typing

Mobile devices such as laptops or digital cameras can be charged by ____.

• solar charges
• solar-charges
• solar chargers
• solar-chargers

The ____,which can travel underwater, is very useful for scientists to learn about the undersea world.

• aeroplane
• electronic car
• spaceship
• submarine

Like Vietnamese, Thai people also depend ____ water for their crops.

• against
• for
• in
• on

In 1999, the king’s Chaipattana Aerator obtained Thai ____ for his rain-making techniques.

• certificates
• charters
• licenses
• patents