To trace the ______ of the Irish problem, we have to go back over three hundred years.A．bi

The purpose of the passage is __________.A． to introduce the culture of antique c

______ belongs to the character of American.A．The spirit of independenceB．The character of

The advantage of using banding patterns to trace documents is that ______.A．it is economic

The prediction of the test is likely to be mistaken due to______.A．the irrelevance of the

All the characteristics that distinguish birds _____ other animals can be traced to

The purpose of lifelong employment is to______A.adjust the needs of the company to its emp