AnswersLanguage Arts 9 B - SHARP 2026Using Strategies and Word Patterns: The Code Book

Using Strategies and Word Patterns: The Code Book Answers

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Heidi has a writing assignment to connect The Code Book to her own life. Which line from her assignment best demonstrates Heidi’s connection with the text?

A
One interesting fact I learned in my reading is that the U.S. uses encryption to catch criminals.
B
A central idea found in The Code Book is the fact that much of the world’s information is unprotected.
C
The author shares several examples of codebreaking techniques, including Trojan horses and viruses.
D
After reading The Code Book, I will be more careful about the information I share online.
6

How is the word protection different from the word protect?

A
Protection is a noun, while protect is an adjective.
B
Protection is a noun, while protect is an adjective.
C
Protection is a noun, while protect is a verb.
D
Protection is a noun, while protect is a verb.
E
Protection is a verb, while protect is an adverb.
F
Protection is a verb, while protect is an adverb.
G
Protection is a verb, while protect is a noun.
H
Protection is a verb, while protect is a noun.
8

plandefineconnect toseparate from

A
plan
B
define
C
connect to
D
separate from
10

verbnounadverbadjective

A
verb
B
noun
C
adverb
D
adjective
11

Review the excerpt from The Code Book.If Eve parks a van outside Alice's house, she can use sensitive tempest equipment to identify each individual keystroke that Alice makes on her computer. This would allow Eve to intercept the message as it is typed into the computer, before it is encrypted. To defend against tempest attacks, companies are already supplying shielding material that can be used to line the walls of a room to prevent the escape of electromagnetic signals.

A
why computers are easily stolen.
B
why keyboards are unsanitary.
C
how computer security can be broken.
D
how friends share secret messages.
12

How is the word protection different from the word protect?

A
Protection is a noun, while protect is an adjective.
B
Protection is a noun, while protect is a verb.
C
Protection is a verb, while protect is an adverb.
D
Protection is a verb, while protect is a noun.
13

Jac is reading this paragraph from The Code Book.Mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques. Indeed, it could be that the laws of mathematics forbid the existence of a significant shortcut for factoring.

A
How can I get a better math grade?
B
How can I learn about ancient techniques?
C
What is important for me to understand?
D
What is a modern factoring technique?
14

Lucy is writing about this excerpt from The Code Book.Only a small fraction of the information flowing around the world is securely encrypted, and the remainder is poorly encrypted, or not encrypted at all. This is because the number of Internet users is rapidly increasing, and yet few of these people take adequate precautions in terms of privacy. In turn, this means that national security organizations, law enforcers and anybody else with a curious mind can get their hands on more information than they can cope with.

A
The author is explaining that much information is not encrypted.
B
The author is explaining that Internet users must be more careful.
C
This book helps me realize that much of my online information is not secure.
D
This book helps me realize that there are too many people using the Internet.
15

One of the author’s purposes in The Code Book is to explain different types of codebreaking to his readers. Which line best demonstrates this purpose?

A
a theoretical breakthrough would be a fundamentally new way of finding Alice's private key
B
mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques
C
a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . . in a computer's display unit
D
if scientists could build a quantum computer, it would be able to perform calculations with . . . enormous speed
16

Review the excerpt from The Code Book.In 1998, a report by Wayne Madsen revealed that the Swiss cryptographic company Crypto AG had built backdoors into some of its products, and had provided the U.S. Government with details of how to exploit these backdoors. As a result, America was able to read the communications of several countries. In 1991 the assassins who killed Shahpour Bakhtiar, the exiled former Iranian prime minister, were caught thanks to the interception and backdoor decipherment of Iranian messages encrypted using Crypto AG equipment.

A
can help the government.
B
can be dangerous.
C
is a Swiss specialty.
D
is unreasonably expensive.
17

Review the excerpt from The Code Book. Cryptanalysts realize that their real goal is to find a way of cracking the RSA cipher, the cornerstone of modern encryption . . . Use the meaning of the underlined words above to understand the sentence.David’s family was puzzled by the short and cryptic note he left on the table.

A
clear
B
plain
C
believable
D
mysterious
18

Read the excerpt from The Code Book.The Trojan horse, another software trick, involves Eve designing a program that appears to act like a genuine encryption product, but which actually betrays the user.

A
noun
B
verb
C
adverb
D
adjective
19

Heidi has a writing assignment to connect The Code Book to her own life. Which line from her assignment best demonstrates Heidi’s connection with the text?

A
One interesting fact I learned in my reading is that the U.S. uses encryption to catch criminals.
B
A central idea found in The Code Book is the fact that much of the world’s information is unprotected.
C
The author shares several examples of codebreaking techniques, including Trojan horses and viruses.
D
After reading The Code Book, I will be more careful about the information I share online.
20

[BLANK]

A
verb
B
noun
C
adverb
D
adjective

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