A Undersea vehicles.
B Communication among drivers.
C Direct observation of the ocean floor.
D Technological advances in oceanography.
A nervous
B very weak
C confused
D slow moving
A controlling currents and the weather
B vehicles as well as divers
C the limitations of diving equipment
D radios that divers use to communicate
A the water destroyed their speech organs
B the pressure affected their speech organs
C the vehicles they used have not been perfected
D they did not pronounce clearly
A function without problems
B stay in communication
C remain still
D travel at a constant speed
A are very slow to respond
B have the same limitations that divers have
C are too small for a man to fit inside
D make direct observations of the ocean floor
A samples
B articles
C photographs
D information
A by operators outside the vehicle in a laboratory on shore.
B By operators outside the vehicle on ship.
C by operators outside the vehicle on a diving platform.
D by operators inside the vehicle in the part underwater.
A Cloud formations over the ocean.
B The location of sea ice.
C A model of the ocean’s movements.
D The temperature of the ocean’s surface.
A ấn vaaof đây để xem đáp án
A ấn vào đây để xem đáp án
A ấn vào đây để xem đáp án
A ấn vào đây để xem đáp án
A ấn vào đây để xem đáp án
A ấn vào đây để xem đáp án
A She had put down the telephone no sooner
B She has no sooner put down the telephone
C No sooner she had put down the telephone
D No sooner had she put down the telephone
A will you do
B would you do
C did you do
D do you do
A a brown nice leather belt
B a nice brown leather belt
C a nice leather brown belt
D a leather brown nice belt
A intention
B intensity
C intend
D intensive
A with / about
B to / on
C to / about
D with / for
A make fun of
B keep pace with
C lose track of
D pay attention to
A few
B a few
C a little
D little
A up
B down
C along
D on
A doesn’t it
B isn’t it
C aren’t we
D aren’t they
A hadn't been working
B wasn't working
C didn't work
D hasn't worked
A who
B that
C whom
D whose
A arrived
B hasn’t arrived
C haven’t arrived
D not arriving
A cup of tea
B piece of cake
C chip off the old block
D biscuit
A until
B then
C as soon as
D when
A was
B were
C had been
D has been
A Thanks, I bought it at Macy’s
B It’s up to you
C I’d rather not
D You can say that again
A to recognize
B to be recognized
C recognizing
D being recognized
A on/ at
B at/ on
C at/ at
D to/ of
A automatically
B mechanically
C spiritually
D manually
A make out
B make up
C make for
D make from
A children whose parents can't afford their schooling
B children who die at birth
C people who suffer from fatal diseases
D people who live 100 years or more
A look into
B in
C whenever
D their
A came
B a
C American young man
D standing
A was
B studied
C thoroughly
D attempting to
A driving
B suddenly realized
C has been
D direction.
A who have been
B have been
C times
D third baby
A thrived
B declined
C employed
D assembled
A Commercial production of ice
B Causes of food spoilage
C Inventions that led to changes in the American diet
D Population movements in the nineteenth century
A a kind of weather
B a method of flavorin
C a particular time of year
D an official schedule
A a staple part of the American diet.
B unavailable in rural areas
C shipped in refrigerator cars
D available in limited quantities
A after 1900
B after 1920
C before 1890
D before 1860
A distances.
B growers
C perishables
D refrigerator cars
A mechanical device
B substance
C commonplace object
D luxury item
A occurred only in the summer
B were on an irregular schedule
C increased in cost
D decreased in number
A however
B occasionally
C because
D therefore
A Drying
B Cold storage
C Canning
D Chemical additives
A Most farmers in theUnited States raised only fruits and vegetables.
B Tin cans and iceboxes helped to make many foods more widely available.
C Commercial ice factories were developed by railroad owners
D People who lived in cities demanded home delivery of foods.
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