Mary is 1ooking for the book she lost yesterday．
A. trying to find
B. looking up
C. looking at
D. finding
查看答案
A．betterB．worseC．more weaklyD．more slowly
A. better
B. worse
C. more weakly
D. more slowly
Early cancer screening can help reducesignificantly
A. the death rates for a chronic diseases．
B. the kinds of cancer attacking people．
C. the incidence rate for cancer．
D. the death rate for cancer．
The concept of primary health care involves new roles for_____________．
Although green roof technology can create a garden-like environment,its potential market is rather small.
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