单项选择题

It is perhaps not an exaggeration (to say) that we shall soon (be trusting) our health, wealth and happiness to elements with (whom) very names the general public (are) unfamiliar.

A．to say
B．be trusting
C．whom
D．are
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单项选择题
Whenever we (hear of) a natural disaster, (even) in a distant part of the world, we feel (sympathy) for the people (to have affected).
A．hear of
B．even
C．sympathy
D．to have affected
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