TOEFL Reading Skills 1 and 2 (Review)

The word "they" in paragraph 1 refers to

• coral colonies

• events and circumstances

• intricate reef structures

• chemical processes

The word "that" in paragraph 2 refers to

• the basic element

• the development of coralline reef structures

• a group of animals

• the Anthozoa class

The phrase "an immeasurable number" in paragraph 2 is closest in meaning to

• an exact integer

• a huge quantity

• a surprising total

• a changing sum

The word "minute" in paragraph 2 could best be replaced by

• tiny

• light

• timely

• soft

The phrase "once-living" in paragraph 3 is closest in meaning to

• aging

• dead

• growing

• solitary

The word "hardy" in paragraph 3 is closest in meaning to

• difficult

• fragile

• scarce

• rugged

The word "They" in paragraph 3 refers to

• coralline structures

• upward and outward directions

• skeletal remnants

• external forces of nature

The word "them" in paragraph 3 refers to

• sea animals

• sponges and clams

• skeletal structures

• many openings

The word "borings" in paragraph 4 is closest in meaning to

• dull pieces

• strange creations

• living beings

• powdery remnants

The word "ongoing" in paragraph 5 is closest in meaning to

• mobile

• continuous

• increasing

• periodic