1 . The man waiting for the interview is the same man ______ I talked to in the elevator. Look, he is wearing the same hat ______ I’m wearing now.

A．that; as

B．as; that

C．as; which

D．who; as

2 . In the last monthly test there was so difficult a problem ________ could work out, which made the test designer puzzled.

A．as none of us

B．that nobody

C．which neither

D．as anybody

3 . Never in the history of Irish schools rugby has there been such a scene ______ was witnessed in Musgrave Park yesterday when the Clayton Hotels Munster Junior Cup tie between Presentation Brothers College and St Munchin’s College was hit by 3 serious injuries.

A．as

B．that

C．which

D．who

4 . Teenagers confront such significant changes in the prefrontal cortex (前额皮质) ________ impact their behavior and emotions.

A．as

B．that

C．which

D．whose

5 . Constant efforts have been poured into the protection of such traditional local languages ________ are only spoken by a tiny portion of people, in the presence of ________ world cultures are sure to be diverse and colourful.

A．that; which

B．as; which

C．that; whose

D．as; whose

6 . The Palace Museum released such fascinating lipstick collections in six colors________fashion lovers cannot help buying.

A．that

B．which

C．as

D．what