A which
B who
C what
D it
A must go
B should have gone
C must have gone
D need have gone
A Despite
B Because of
C Because
D Although
A will finish
B will have been finished
C will have finished
D will be finished
A complain
B to complain
C complaining
D complaint
A will happen
B would have happened
C happened
D would happen
A on
B in
C by
D through
A pullover beautiful pink woolen
B pink beautiful woolen pullover
C beautiful pink woolen pullover
D woolen beautiful pink pullover
A out of date
B out of work
C out of mind
D out of order
A down to
B up with
C up to
D off at
A with a view of
B with a view to
C in regard of
D on account of.
A it seems dimmer
B the dimmest it seems
C the dimmer it seems
D it seems dimmest
A incompetence
B incompetent
C competently
D incompetently
A presented
B introduced
C initiated
D led
A that she realized
B she realized
C did she realize
D did she realized
A that the requirements for each vegetable
B what the requirements for each vegetable are
C what are each vegetables’ requirements
D that is required by each vegetable
A Be careful
B Good Luck
C Congratulations
D Take it easy
A It is out of the question now
B I have to think it over
C You are right
D That’s a great idea.
A It’s a nice compliment. Thank you.
B Not at all
C The same to you
D Really? Congratulaions!
A unfortunately
B ideally
C approximately
D usually
A reconciliation
B strike
C memorandum
D merger
A ailments
B blandishments
C remnants
D ingredients
A intentionally
B simultanously
C hurriedly
D coincidently
A interested me
B made me unable to eat the meal
C made me want to eat the meal a lot
D made me feel hungry
A upset
B because
C had to do
D many homeworks.
A him
B it must becomprehensive
C about
D experiment
A not sturdy enough
B to support
C that one
D neither
A for
B will include
C following
D Assassinating Lincoln
A according to
B born
C during
D is
A exceptionally
B dramatically
C eventually
D unfortunately
A They have remained basically unchanged from their original forms.
B They have been able to adapt to ecological changes.
C They have caused rapid change in the environment.
D They are no longer in existence.
A Temperature changes
B Availability of food resources
C Introduction of new species
D Competition among species
A To demonstrate the interdependence of different species
B To emphasize the importance of food resources in preventing mass extinction.
C To illustrate a comparison between organisms that live on the land and those that live in the ocean
D To point out that certain species could never become extinct.
A extinction of species has occurred from time to time throughout Earth’s history.
B Extinctions on Earth have generally been massive
C there has been only one mass extinction in Earth’s history.
D dinosaurs became extinct much earlier than scientists originally believed.
A published information
B research method
C ongoing experiment
D scientific discovery
A change
B recovery
C help
D death
A It reflects the interrelationship of may species.
B It may depend on chance events.
C It does not vary greatly from species to species
D It is associated with astronomical conditions.
A 26 million years ago
B 65 million years ago
C 225 million years ago
D 250 million years ago
A the European textile industry increased its demand for American export products
B mechanization of spinning and weaving dramatically changed the textile industry
C cotton became a profitable crop but was still time-consuming to process
D cotton became the most important American export product
A preferred
B recommended
C imported
D included
A cotton's softness
B cotton's ease of processing
C a shortage of flax and wool
D the growth that occurred in the textile industry.
A unfamiliar
B primitive
C skilled
D difficult
A abundance of seeds
B long fibers
C long growing season
D adaptability to different climates
A More cotton came from sea island cotton plants than before.
B More cotton came from short-staple cotton plants than before.
C Most cotton produced was sold domestically.
D Most cotton produced was exported to England.
A sharp increase
B sudden stop
C important change
D excess amount
A show that Americans exported more agricultural products than they imported.
B show the increase in the amount of wheat products exported.
C demonstrate the importance of cotton among American export products.
D demonstrate that wheat farming was becoming more profitable.
A slow
B profitable
C not seen before
D never explained
A one of the boundaries of a region where new agricultural settlement took place
B a major source of water for agricultural crops
C the primary route by which agricultural crops were transported
D a main source of power for most agricultural machinery
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