从Ⅱ栏中找出与Ⅰ栏相应的答语。

Ⅰ                                Ⅱ

小题1:I think rock music is too noisy.                   A. Certainly not.

小题2:May I ask you some questions?              B. Have a good trip.

小题3:Would you mind teaching me?                    C. Great! That’s my favorite.

小题4:What a lovely day! Shall we go swimming?       D. Sure, go ahead.

小题5:We are going to Hainan.                        E. I agree with you .

与4.69×6.87的积相等的式子是[ ]

A．4.69×68.7

B．46.9×0.687

C．0.469×0.687