The past ten years are disconcerting because so little change _____.
A. are obese
B. binge drinking
C. has taken place
D. is dismal
E. are getting healthier
F. seem to be smoking less
G. are dying of breast cancer
查看答案
Some progress has been made in that fewer women _____.
A. are obese
B. binge drinking
C. has taken place
D. is dismal
E. are getting healthier
F. seem to be smoking less
G. are dying of breast cancer
Experts are concerned that more women _____.
A. are obese
B. binge drinking
C. has taken place
D. is dismal
E. are getting healthier
F. seem to be smoking less
G. are dying of breast cancer
The silver lining among the bad news is women _____.
A. are obese
B. binge drinking
C. has taken place
D. is dismal
E. are getting healthier
F. seem to be smoking less
G. are dying of breast cancer
苯环上羟基对拟肾上腺素药物活性的影响（ ）
A. 3,4-二羟基化合物活性最强
B. 3-羟基化合物活性最强
C. 4-羟基化合物活性最强
D. 无羟基化合物活性最强
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