单项选择题

Criticism and self-criticism are necessary ______ they help us to find and correct our mistakes.

A．by that
B．at that
C．on that
D．in that
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单项选择题
Generous public funding of basic science would ______ considerable benefits for the country's health, wealth and security.
A．lead to
B．result from
C．lie in
D．settle down
单项选择题
Although the accident did yew little ______ to the car, I still suggest that you drive more carefully next time.
A．demolishment
B．ruin
C．destruction
D．damage
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