unit 16 INVENTIONS
TEST II
I. Give the noun form of the following words.

mix


hot


store


produce ferment










II. Choose the correct word in the brackets.
Professor: There is an old (sentence / saying) that necessity is the mother of (invention / inventor). What exactly does that mean?
Daisy: It means that people are inspired to create or design new
things when there is a need for (like / such) an item.
Professor: That`s right. And (for / since) the beginning of the time, people have been trying to make a better mousetrap, or rather improve on (what /which) they have to better meet their needs. Some of these innovations have been successful, such as automobile and the computer.
III. Reorder the following sentences to create a conversation.
Cindy: That`s all right, Joe. My house isn`t that easy to find. But you know, you wouldn`t have gotten lost if you`d had a `smart" card.
Joe: Hey, that`s just like my brother. Joe: A smart card? What`s that?
Cindy: I just read a magazine article about some new technology` that can make a car smart. One device is a computerized map displayed and a synthesized voice. You just enter the address where you want to go, and the voice tells you how to get there.
Joe: I`m sorry I`m late, Cindy.

IV. Make questions for the words / phrases underlined.
The rocket was invented in China over 900 years ago.
The electronic computer has been in use since 1946.
The airmail service was established in 1918 between New York and Washington.
Radio broadcasts began in 1920.
Sir Ronald Ross, a physician, was the first to prove that malaria was transmitted by mosquitoes.
The microphone was invented by D. E. Hughes.
V. Give the correct tense and form of the verbs in brackets.
Mail delivery has been developing so fast: Long time ago, mails (1. transport) by dogsled in the polar regions, by boat, by camel in the desert. Then, trains and cars (2. use) to carry mails. However, these means were extremely slow. The most dramatic change in mail delivery was the addition of airmail service. It (3.establish) in 1918 between New York City and Washington. Since then, it (4.increase)
until it now circles the globe. In addition to letters, mail packages, newspapers, magazines, fresh cut flowers, and even baby chickens can (5. send) quickly by airmail. To speed up mail delivery even more, helicopters began (6. use) since 1917.
VI. Complete the paragraph with the words from the box. There is one extra word.
invented inventor manufacture put
invention designed ancient
Although the Chinese were responsible for the (1) of such
important things as gunpowder, the compass, paper-making and silk (2) , the (3) Greeks were also very ingenious and (4) all kinds of useful devices. Heron, for example, (5) the world`s first steam engine although it was never (6) to any practical use.
VII. Read the following instructions about finding a book in the library. Choose the letter of the correct word to use in each blank.
1 the class has finished, go straight to the library.
2 you enter the library, make sure you have a pen and some paper.
3 look at the subject catalogue.
4 doing this, go to the shelf and look for your books.
1 the class has finished, go straight to the library.
2 you enter the library, make sure you have a pen and some paper.
3 look at the subject catalogue.
4 doing this, go to the shelf and look for your books.
5 you cannot find the book you want, see the librarian.
6. Ask for help only ....... you have looked very thoroughly for the book.
A. Because B. When C. Or D. But
A. Until B. But C. Because D. Before
A. Then B. Before C. When D. If
A. If B. But C. Because D. After
A. Then B. Or C. If D. Until
A. before B. and C. but D. after