[听力原文]
M: Hello! Is this eight six eight double zero seven five
W: Yes. Who is speaking

What is the telephone number（）

A．She was waiting for the next flight.
B．She was waiting for her baggage.
C．She was waiting for her brother.
D．She was waiting for her friends.

A．除非新发明的应用立即收到实效，否则其价值将成为最可疑的。
B．如果新发明不能立即收到实效的话，那么其价值会是最可疑的。
C．一种新发明的应用如果不能立即收到实效的话，大多数人就会怀疑它的价值。
D．如果新发明立即收到实效的话，那么其价值会是最可疑的。