法比较试验最好选择下列哪种方法作为对比方法()
A.决定性方法
B.参考方法
C.常规方法
D.以上都可以
参考答案:B
is the capital city of the United Kingdom. [ ]
A. New York
B. Berlin
C. Tokyo
D. London
Tom ________ well be late for class, for it is snowing heavily. [ ]
A. can
B. must
C. will
D. may