The species of fauna and flora remaining in Tibet 'after the Pleistocene glaciations can properly be called continental because they ______.
A. are the only life forms in Tibet, a large piece of' land
B. are originally found in continental climates
C. are found in land mass that used to be a separate continent
D. have been found in other parts of the Asian continent
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Being in a tight corner, Jimmy sold for 1000 dollars the ______ of his mother's first work that won her fame.
A. duplicate
B. manuscript
C. heritage
D. remains
“十一五”时期,我国工业固体废物综合利用率提高到( )。
A. 60%
B. 50%
C. 56%
D. 65%
Which of the following will NOT possibly lead to heart disease
A. High blood pressure.
B. Oversleeping.
C. Smoking and being overweight.
D. Job stress.
______ can be used to describe arbitrariness, one of the design features of language
A. We can easily teach our children to learn a certain language
B. We can use both 'shu' and 'tree' to describe the same thing
C. We can use language to refer to something not present
D. We can produce sentences that have never been heard before