48．My uncle smiled, but my mother had seen the first distressing evidence of a bump budding on a log.
A．my mother looked at the sign of the coming spring with a heavy heart.
B．my mother had just found with distress that I was going to become a fool.
C．my mother regarded the budding on the trunk as an ill omen (兆头).
D．my mother had found with delight that I finally began to show sound judgment and intelligence.
49．“It was pleasant to believe,” she wrote later, “that much of Nature was forever beyond the tampering reach of man.”
A．Human being will step on much of nature and destroy nature.
B．Human being will be separated from the nature.
C．Nature will be disturbed by the activities of human being.
D．Nature will remain intact from the harmful human activities.
50．It left me open-minded about prayer.
A．It was prayer that enlightened me.
B．It made me pray earnestly.
C．It made me have no prejudice against prayer.
D．Prayer made me open to new and different ideas.
IV. 阅读理解。认真阅读下列两篇短文，每篇短文后有5个问题，根据课文