A) learnsB) studiesC) realisesD) understands
A. learns
B. studies
C. realises
D. understands
查看答案
________ the advances of science, the discomforts of old age will no doubt always be with us.
As for
Besides
C. Except
Despite
From the passage we know that Symbion Inc ________.
A. has been banned by the government from producing artificial hearts
B. will review the effects of artificial hearts before designing new models
C. may continue to work on new models of reliable artificial hearts
D. can make new models of artificial hearts available on the market in 10 to 20 years
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