— I don't know whether he will come this morning. If he ____, I ____you— Thank you very much.
A:comes; will tell
B:comes; tell
C:will come; will tell
D:will come; tell
做奥斯特实验时,要观察到小磁针明显的偏转现象,下列方法可行的是( )
下列有关命题的说法正确的是( )
珠江三角洲发展工业的独特优势是( )