Mr. Smith had an unusual ______ : he was first an office clerk, then a sailor, and ended up as a school teacher.
A. profession
B. occupation
C. position
D. career
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The word "southpaws" at the end of the passage means ______.
A. a boxer from the south
B. a politician from a southern state
C. a person with extraordinarily large hands
D. a left-handed person
The U.S. achieved its predominance after World War Ⅱ because ______.
A. it had made painstaking effort towards this goal
B. its domestic market was eight times larger than before
C. the war had destroyed the economies of most potential competitors
D. the unparalleled size of its workforce had given an impetus to its economy
As I'll be away for at least a year, I'd appreciate ______ from you now and then telling me how everyone is getting along.
A. hearing
B. to hear
C. to be hearing
D. having heard
Which of the following statements is NOT true
A. Cloning may lead to the loss of identity.
B. The cloned human children may have some psychological problems.
C. The psychological effects of cloning may be overlooked.
D. Genetic Uniqueness is important.
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