单项选择题
A.保持不良关系不但会引起持续的精神紧张,甚至还可能有害健康,这是大家共认的。 B.僵硬的人际关系不仅引起持续的压力,而且引起身体的危害,大家都同意这一点。 C.呆在一个坏的环境中不仅会带来巨大的压力,而且还会精神衰弱,这已是共识。 D.坏关系只会造成继续的压力,但不会引起物理上的危害,没人会反对这一点。
A.we can have a troubled journey B.we have enough money to fly in planes C.we can now travel by superfast trains D.we can travel by motorcars as well
A.we can do without railways B.trains have much in common with motorcars and planes C.motorcars and planes are not as good as trains D.trains are as good as motorcars and planes