Page 102 - big-4-lop-8-tap-2_Neat

1. 3. The Internet will be keeping its superior

1. F 2. T 3. F 4. T 5. T roles in communication in the next
decades.
2.
4. She refused to have a direct talk with me,
1. two/2 2. WPM/words per minute
and she asked me to chat on Yahoo
3. 30 4. horse 5. over 50
messenger.
Listening transcript:
5. Messaging is convenient sometimes, but
In 1836, Samuel Morse, a famous American it easily causes confusion or
inventor and painter, introduced the very first misunderstanding.
device to send messages using electricity. It
was the telegraph which could transmit
information over wires. The information was Unit 11 SCIENCE AND TECHNOLOGY
sent as a series of electrical signals. Short
signals are referred to as dits (represented as A PHONETICS
dots). Long signals are referred to as dahs
(represented as dashes). With the advent of I.
radio communications, an international 1. D 2. C 3. A 4. A 5. D
version of Morse code became widely used. II.
The speed of transmitting Morse code is 1. C 2. A 3. C 4. D 5. A
measured in WPM (words per minute). An B VOCABULARY AND GRAMMAR
experienced Morse code operator can
transmit and receive information at 20-30 III.
WPM. 1. D 2. F 3. A 4. B 5. G

Before electric telegraphy, most messages 6. C 7. E
that traveled long distances were entrusted to IV.
messengers who memorized them or carried 1. consumption 2. revealed
them in writing. These messages could be 3. advances 4. applications
delivered no faster than the fastest horse. In 5. findings 6. experiment
the United States, the Morse telegraph was
successful for a number of reasons, including V.
its simple operation and its relatively low 1. A 2. C 3. A 4. D 5. C
cost. By 1851, the country had over 50 6. C 7. D 8. D 9. B 10. D
telegraph companies though most telegraph VI.
business was controlled by the Magnetic 1. will connect 2. will be carrying out
Telegraph Company, which held the Morse
patents. 3. wouldn‟t attend 4. would finish
5. was going to do
F WRITING
VII.
XV.
1. breakthrough 2. trial
1. I decided to talk with her face-to-face so
that we could understand each other more 3. confidential 4. technological
easily. 5. discovery
2. Nowadays, people tend to use Facebook, VIII.
Twitter and other social networks more 1. A (read) 2. B (spent)
than other traditional forms of 3. A (interesting) 4. A (commercial)
communication.
5. B (do some research)

104 | Big 4 - Bộ đề tự kiểm tra 4 kỹ năng Nghe - Nói - Đọc - Viết tiếng Anh (cơ bản và nâng cao) lớp 8 tập 2