31.Why did the mother allow her son to swim there?

　　A. He was an excellent swimmer.

　　B. The water of the river is shallow.

　　C. He was old enough to swim.

　　D. The rocks can be of help if there's danger.

　　32.The underlined part "who tends to play his cards close to his vest" probably means________.

　　A. Anton is a boy fond of swimming with other kids

　　B. Anton is unwilling to tell others what he thinks

　　C. Anton always has a desire to help others

　　D. Anton seldom changes his mind

　　33.In the mother's eyes, what her son did was_________.

　　A. dangerous but interesting

　　B. meaningful but difficult

　　C. unexpected and courageous D. awful and absurd

　　34.What might be the best title for the passage?

　　A. My Son, My Hero

　　B. Anton, A Silent Boy

　　C. A Good Deed

　　D. A Proud Mother

　　32.B推理判断题。根据““Yeah,” was all he said...I didn't get it from my son”可知，作者儿子的回答很简短，仅有一个词“Yeah”，说明他不愿告诉作者详情。划线句的意思是把牌捂在胸口，这样做事防止他人偷看自己的牌，在此意译为不愿他人窥视自己的内心，故选B。

　　33.C推理判断题。根据倒数第三段“I realized the real thing in my son...but that didn't mean they have no desire to do good.”可知，作者认为儿子做了一件了不起的事；根据倒数第二段“Still shocked by my son's daring”可知，作者为儿子救人的行为感到震惊，故选C。

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