单项选择题

Biotechnology is supposed to provide more jobs, promote more growth, create better harvest and ______ the Earth many insect-killing chemicals into the bargain.

A. spare
B. make
C. provide
D. furnish
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单项选择题
Almost ail companies involved in new production and development must ______.
A．rely on their own financial resources
B．persuade the banks to provide long-term fin0ance
C．borrow large sums of money from friends and people they know
D．depend on the population as a whole for finance
单项选择题
By a well-oiled cog in the machinery , the author intends to render the idea that man is ______.
A．a necessary part of the society though each individual’s function is negligible
B．working in complete harmony with the rest of the society
C．an unimportant part in comparison with the rest of the society, though functioning smoothly
D．a humble component of the society, especially when working smoothly
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