Skeptical observers believe that ancestry testing fails to ______.
A.trace distant ancestors
B.rebuild reliable bloodlines
C.fully use genetic information
D.achieve the claimed accuracy
A.take apart
B.take part in
C.take on
Whenever we (hear of) a natural disaster, (even) in a distant part of the world, we feel (sympathy) for the people (having affected).
A.hear of
B.even
C.sympathy
D.having affected
Some newspapers refused delivery to distant suburbs probably because_________.
A.readers threatened to pay less
B.newspapers wanted to reduce costs
C.journalists reported little about these areas
D.subscribers complained about slimmer products
A.uncomfortable
B.distant
C.consistent
D.curious
A.only a very small part is available
B.the sun is too distant from the earth
C.it takes thousands of years for this energy to be stored up in coal and oil
D.our scientific knowledge is not sufficient