Why a gearbox is needed in a ship driven by a medium-speed diesel engine？ .A.To reduce the

Why does the woman want to make the purchase in that store？A．The article is cheap in the s

Why will American need to expoit food in 1997？A．Because the farmers will need a lot of mon

Why did the paper industry need a new source of fiber in the early 1800s？A．Publishers want

The reason why there still needs improvement in the past view of Archaeopteryx is thatA．fo

Why a leader needs to appear confident as a person and in the leadership role？ （More t

In Alan’s opinion why is Parson’s Place particula