8.A．using B. hearing C. receiving D. feeling（不是最好答案）
C. 线索：搭配结构暗示的语意。来源：考试大
When you squeeze with a finger, a vibration signal is transmitted __9__ your callers corresponding finger.
9.A．for B. with C. from D. to
D．线索：搭配结构。来源：考试大
Its __10__ depends on how hard you squeeze.
10.A．strength B. loudness C. speed D. rhythm
A． 线索：搭配结构含义。来源：考试大
Over time, people even began to transmit their __12__ kind of ad hoc Morse code（摩尔斯代码）, which they could repeat back to show they were following what the other people was saying.
12.A．own B. unique C. other D. different
A． 线索：句意。来源：考试大
It was pretty easy to communicate, though we didnt specifically（明确的） pre-arrange __13__, says…
13.A．codes B. systems C. wave bands D. call time
A．线索：上下文用词。
14. Chang thinks Vibralanguages could __14__ for the same reason as texting (发短信):
14.A．make out B. go without C. give in D. take off
D．线索：句意。来源：考试大
Take off: v.广泛使用，大受欢迎, 起飞, 脱掉（衣服等）
e.g. a new movie that really took off.一部极为卖座的新片
e.g. The plane took off on time.飞机准时起飞来源：考试大
e.g. take ones coat off;
make out: v. 辨明辨明或看清, 理解
e.g. I could barely make out the traffic signs through the rain.在雨中我几乎看不清交通标志
e.g. I could not make out what she was saying.我不能理解她在说些什么
go without v.没有...也行来源：考试大
go without saying v.理所当然, 不用说, 不言而喻
give in v.投降, 屈服, 让步来源：考试大
sometimes people want to communicate something __15__ everyone nearby knowing what theyre saying.
15.A．with B. without C. for D. against
B. 备选项特点（A和B有关系；C和D有关系）和句意。
