1 . The world has been changing at such a high speed            no one has expected.

A．which

B．that

C．and

D．as

2 . Which of the following sentences are CORRECT?

A．The vocabulary and grammatical differences between British and American English are such that are hardly to be noticed.

B．Like women, bio-medicine is the same area as men have put in great efforts.

C．Beauty contests, whether organized with noble intentions or just for fun, have attracted criticism since they were first held.

D．The Beauty Pageant Contest is accessible to all men, however his background on previous body-building qualifications.

3 . Stress is everywhere and in fact it isn't such a bad thing ________ it is often supposed to be.

A．that

B．as

C．what

D．which