Inventors are always looking for ways to make our lives easier, greener and more fun. Here are just a few examples of inventions.

	Crayons were invented by Edwin Binney and C. Harold Smith. They had a paint company in New York City. The new crayons were made of wax（蜡）and different pigments（颜料）. In 1903,Binney and Smith put the first box of eight“Crayola Crayons”on the market. These new crayons were a great success.
	Remote control technology(遥控技术)has been used since the early 1930s. During World War1, Germans used remote control boats. The TV remote control was first put on the market in 1950. Zenith Radio Company created the first TV remote control, called the “lazy Bone”. It could turn the TV on and off and could change programs.
	Bow Lingual（犬语翻译机），named by the US Time Magazine as a “BEST invention of 2002”， has two parts. A microphone is tied to the dog’s neck and sends out sound information to the gadget（小挂件）held by the owner. Then the translation is done in the gadget with kinds of dog barks.
	Some students in South Korea have a new language teacher :an robot of English-teaching ：The robot is 157cm tall and speaks both Korea and English .It can make16 kinds of faces .The robot-teachers are helping to solve a shortage of English teachers there. Could robots replace human teachers one day?

The first box of crayons was put on the market ________ .

A．in 1900

B．in 1903

C．in 1950

D．in 2002

During World War1, Germans used remote control to control _________ .

A．trains

B．planes

C．boats

D．TVs

_________ is one of the greatest inventions of 2002 according to the US Time Magazine.

A．The crayon	B．Bow Lingual
C．The TV remote control	D．The English- teaching robot

The English- teaching robot can speak ________ .

A．English and Chinese	B．English and French
C．Korean and Japanese	D．English and Korean

Which of the following is TRUE?

A．Bow Lingual’s microphone is tied to the dog’s neck.

B．The English-teaching robot can make six faces in class.

C．Remote control technology has been used since early 1930.

D．The robot- teachers can help provide the USA with more English teachers.