有利于矿化作用的因素有()。
A.高温
B.高碱度
C.高品位
参考答案:A
–Do you think that the 16th Asian Games were a success?
--Yes, _______!It couldn’t be better.
A.relatively
B.approximately
C.absolutely
D.fortunately
要在程序或函数的实例间保留局部变量的值,可以用 【15】 关键字代替Dim。