TOEFL Chapters 1 & 2 - pgs. 24 & 38

Harvest

• gather

• observe

• consume

• trade

Extend

• relieve

• engage

• stretch

• disturb

Nevertheless

• moreover

• however

• consequently

• lastly

Spiral

• heavy load

• curled shape

• straight line

• thick layer

Characteristic

• disaster

• breed

• feature

• inception

Period

• clock

• era

• series

• schedule

Discover

• discard

• conceal

• uncover

• screen

Outstandingly

• unnecessarily

• exceptionally

• typically

• similarily

Inclined

• marked

• sloping

• involved

• expanded

Operate

• work

• occur

• develop

• organize