lesson 9

Question 1

classify (v) 
SYN arrange 
(n) classification 
(adj) classified

Answer 1

• biologists classify life forms into many phyllo.

* the library’s catalog is a classification of books in the library.

Question 2

deep (adj)
SYN through # shallow
(adv) deeply
(n) depth

Answer 2

• lake Baykal is the deepest lake in the world.

* the depth of his understanding of math is remarkable.

Question 3

dense (adj)

(adv) densely
(n) density

Answer 3

• the boating accident was caused by the dense fog.

* Hong kong is one of the most densely populated cities in the world.

Question 4

dim (adj) (v)
SYN faint
(n) dimness
(adv) dimly

Answer 4

• the light was too dim for studying.

* the stars dimly lit the evening sky.

Question 5

gigantic (adj)
SYN enormous
gigantically

Answer 5

• reaching the moon was a gigantic step in space exploration for mankind.
• new methods of farming offer gigantic advantages over the old methods.

Question 6

impressive (adj) 
SYN imposing 
(v) impress 
(adv) impressively 
(n) impression

Answer 6

• Lincoln’s power of persuasion was impressive.

* everyone left with a good impression of the play.

Question 7

lasting (adj)
SYN enduring
(v) last

Answer 7

forever, without end.

• Kennedy left a lasting impression on the people who heard his inaugural address.
• the introduction of robots will have a lasting effect on industry.

Question 8

straightforward (adj) = easy
SYN uncomplicated
(adv) straightforwardly
(n) straightforwardness

Answer 8

• the assembly directions were straightforward.

* the straightforward approach to his business dealings earned him respect.

Question 9

vibrant (adj)
SYN brilliant
(n) vibrance
(adv) vibrantly

Answer 9

• his vibrant personality made him well liked by everyone.

* the vibrance of the city is attractive to many individuals.

Question 10

accurate (adj)
SYN precise
(adv) accurately
(n) accuracy

Answer 10

• she was able to make accurate observations with the new telescope.
• experiments must be conducted with accuracy.