一种新型锁——声纹锁．只要主人说出事先设定的暗语就能把锁打开，别人即使说出暗语也打不开。这种声纹锁辨别声音的主要依据是（  ）

小明同学参加盐城市2014年中考化学实验考查，来到实验室，发现实验桌上准备了下列仪器和药品，他抽到的实验考签是（　　）

从B栏中找出与A栏相对应的答语。

A                                                                                         B

What does she do? ____                                  A. I was born on May 1^st, 2001.

May I have a look at your present?  ____          B. I'm afraid you can't.

Shall we go to the zoo? ____                            C. She is a student.

When were you born? ____                               D. I want to buy a pair of shoes.

What can I do for you?   ____                           E. Good idea.