题目

Werewolves (狼人) aren’t the only creatures affected by the moon’s cycles（周期）. A full moon also affects people’s sleep more or less, reports a Swiss team of scientists. Even people who sleep in a lab without windows could reduce their sleeping time a little once a month. To test the moon’s influence, 33 adults of both sexes and ages of many kinds spent several nights in a sleep lab. As they slept, researchers recorded their brain activity, eye movements and hormone levels (荷尔蒙水平). On nights closer to a full moon, the sleepers took an average of five minutes lon阿华在学习化学后，对抽烟的爸爸说：“吸烟有害健康，我和妈妈都在被动地吸烟．”阿华这样说的科学依据是A．分子很小B．分子之间有间隔C．分子在不断地运动D．分子之间有作用力