What do the experts collect to do the experiments at Cuddie Springs？A．Animal tracks.B．Anim

According to experts, why do people feel the pressure of having a perfect marriage？A．Becau

What do experts say about the earth‘s fuel reserves？ 查

What is the greatest danger for people living in a high－rise according to some experts？A．L

What do the government lawyers ask the judge to force the industry to do？A．To change its m

What do some experts worry about the Barbados nut according to the passage？A．Its ability t

What do the fishermen do to encourage the birds？A．They use a long string to beat the birds