Choose the correct answer in each sentence.

The supervisor is skilled at managing the ------ balance between the needs of staff and those of upper management.

Many scientists ................ all their lives to working out answers to problems.

Choose the best answer among A, B, c or D that best completes sentence: People believe  in protecting  endangered  animals  and they protect them ________  controversial ways.

Read and choose the appropriate option: 
WHY DO ANIMALS GO EXTINCT? Different kinds of animals have appeared and disappeared throughout Earth’s history. Some animals go extinct because the climate (41)_______ they live changes. The climate may become wetter or drier. It may become warmer or cooler. If the animals cannot change, or adapt, to the new climate, they die. Some animals go extinct because thay cannot (42) _______ with other animals for food. Some animals go extinct because they are killed by enemies. New kinds of animals are always evolving. Evolving means that the animals are changing (43) _______ from generation to generation. Small differences between parents, children, and grandchildren slowly add up over many, many generations. Eventually, a different kind of animal evolves. [evolve: tiến hóa] Sometimes many of the animals on Earth go extinct at the (44) _______ time. Scientists call this a mass extinction. Scientists think there (45) _______ at least five mass extinctions in Earth’s history. The last mass extinction happened about 65 million years ago. This mass extinction killed off the dinosaurs.
(43)..........................

Choose the correct answer in each sentence.

The prices in the catalog include both state and national taxes _______________   not delivery charges.

15,589 species (7,266 animal species and 8,323 plant species) are now considered _______ risk _______ extinction.

....................... laws and regulations which impose restrictions on any rights should be revised to comply with international law.

Choose the best answer:

Mary bought this car last night, ................?

I am lucky to have a very supportive supervisor.

Safety should take ...............  over all other matters in the workplace.

He promised to mend the broken wheel soon without _________.

There is a lot of information on the Internet, but it is difficult to know how much of it ............................enough to trust is.

Choose the best answer:
There is a real possibility that these animals could be frightened _______ a sudden loud noise.

The fans ..................  when their team scored a goal.

The ______ of the scheme is to send more than two thousand pairs of used football boots to South Africa.

Shakespeare asserts the right of women to  .............  and independence.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
That was so serious a matter that I had no choice but to call in the police

Choose the word(s) CLOSEST in meaning to the following word(s). "emission"

Choose the correct answer in each sentence.

Ms. Tennyson has a   _________------ for spotting good investments and a reputation for being bold and visionary.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

She got up late and rushed to the bus stop.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

Adverse weather conditions made it difficult to play the game.