A.approximately
B.environmental
C.considerable
D.conservatively

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The proposal ______ by the environmentalists to grow more trees has received approval from the council.
A.which suggested
B.be suggested
C.suggested
D.was suggested

The word "domestication" in the first paragraph mostly means ____________.
A.making wild animals used to living with and working for humans
B.adapting animals to suit a new working environment
C.hatching and raising new species of wild animals in the home
D.teaching animals to do a particular job or activity in the home

The word "conditions" in the second paragraph refers to ____________.
A.the situations in which hunter-gatherers hardly find anything to eat
B.the places where plenty of animals and fish can be found
C.the environments where it is not favorable for vegetation to grow
D.the situations in which hunter-gatherers can grow some crops

According to the passage, which of the following is NOT mentioned?
A.The environmental differences produce no effect on subsistence societies.
B.Hunting or fishing develops where there are no or short growing seasons.
C.The number of hunter-gatherers decreases where farming is convenient.
D.Harvesting from the natural environment had existed long before farming was taken up.

From the four words or phrases choose the one that best completes the sentences.
The manager was angry because somebody ______.
A.had allowed the photographers to enter the building
B.had let the photographers to enter into the building
C.permitting the photographers enter the building
D.the photographer let into the building without the proper documentations

From the four words or phrases choose the one that best completes the sentences.
The higher the content of carbon dioxide in the air, ______.
A.the more heat it retains
B.more heat it retains
C.it retains more heat
D.than it retains more heat

According to the passage, subsistence societies depend mainly on ____________.
A.agricultural products
B.nature's provision
C.farming methods
D.hunter-gatherers' tools

Which of the following would serve as the best title of the passage?
A.Hunter-gatherers: Always on the Move
B.Evolution of Humans' Farming Methods
C.Hunter-gatherers and Subsistence Societies
D.A Brief History of Subsistence Farming

According to the passage, studies of contemporary subsistence societies can provide a _________.
A.deeper insight into the dry-land farming
B.further understanding of modern subsistence societies
C.broader vision of prehistoric natural environments
D.further understanding of prehistoric times