问题
选择题
It is reported that the scientists in our country are _____ all possible ways to control H1N1 flu. [ ]
A. operating
B. designing
C. replacing
D. exploring
答案
答案:D
It is reported that the scientists in our country are _____ all possible ways to control H1N1 flu. [ ]
A. operating
B. designing
C. replacing
D. exploring
答案:D