Các Anh chị làm giúp em
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Mark the letter A, B, C, or D on your answer sheet to show the underlined, pa
Question 46: Two thousand years ago, most of western Europe was populated by
that needs correction.
A B
C
fierce, strong, artistically people known as the Celts.
D
Question 47: When a simple action such as lifting one's arm is performed, the
A
work is divided between at least three different muscle groups.
с
D
Question 48: The average cat sleeps sixteen hours for a day, in short intervals
A
B
C
called "cat naps".
D
Question 49: Psychological studies show that many students feeling terrible abou
A
B
the results of tests on which they have actually performed well.
D
C
Question 50: Palcoanthropologists believe that prehistoric man was innate a
A
B
gentle, cooperative, food-sharing creature.
C
D