1 . 众所周知, 无论电脑如何普及, 有些工作得由人工完成。这就是电脑不能完全取代人的原因。
________, ________ popular computers are, some work must be done by hand. ________ computers can’t completely replace human beings.

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

A．that

B．which

C．as

D．what

3 . In the critical times, anyone would be________ by such disturbing news________ he told.

A．broken down; as	B．cast down; as
C．paid off; that	D．carried away; that

4 . This terrible natural disaster destroyed Pompeii completely, but it also kept the ancient city ________ it was for future ages. (用适当的词填空)