In England, which of the following greetings are more likely to be heard （）

A．they hate the constant pressure and strain of their study
B．they will then be able to stay longer in the university
C．such positions help them get better jobs
D．such positions are usually well-paid

A．raising the world’s temperature only a few degrees would not do much harm to life on earth.
B．lowering the world’s temperature merely a few degrees would lead major fanning areas to disaster.
C．almost no temperature variations have occurred over the past decade.
D．the world’s temperature will remain constant in the years to com