(锄头) from the ground and beat the boa with all her might.

　　One ... two ... With the hoe, Lisa beat the snake repeatedly, but useless. The little boy's voice and breath were getting weaker and weaker. Lisa's heart was broken and she got nearly mad.

　　Suddenly Lisa put away the hoe and threw herself to the boa, opening her mouth, and bit into the boa's back as if trying to eat a rare steak. Lisa was really mad!

　　Blood was spurting (涌出) out of the boa's body and covered most of Lisa's body. The boa was so badly wounded that it let go of Barney and moved back into the forest hurriedly. It had never known how a woman had such terrible sharp teeth! On halfway home, the boa died.

　　It was fearless mother's love that saved the little boy.

　　语篇解读：母亲在厨房里准备午餐，三岁的儿子在后花园玩耍。突然一条巨蟒缠住了儿子，儿子的生命危在旦夕，母亲用她那伟大的母爱演绎了一个在巨蟒口中救回自己儿子的感人故事。

　　4．When she rushed into the back garden, Lisa found ________.

　　A．a boa eating her son

　　B．her son was playing with a big snake

　　C．her son in danger of losing his life

　　D．her son was fighting with a boa

　　解析：选C　推理判断题。根据文章第三段内容可知，一条大蛇缠住了小孩并且试图咬孩子，据此可以推断小孩有生命危险。故C项正确。

　　5．Why did Lisa bite the snake?

　　A．Because she was mad.

　　B．Because she thought her teeth were much sharper.

　　C．Because her son was entwined by the boa.

　　D．Because she couldn't think out any other way to fight with the snake.

　　解析：选D　细节理解题。因为情况危急，而锄头又不管用，她没有别的办法了，所以才用牙咬。

　　6．Which of the following is the best title for this passage?

　　A．A Mother and a Boa

　　B．Fearless Mother's Love

　　C．A Boa and a Boy

　　D．Saving a Boy from a Boa

解析：选B　标题归纳题。通读全文可知，正是因为母亲无畏的爱才使儿子得救，本