6. Grown-ups also have a sense of object permanence. That is to say, if we put a box in a room and lock the door, the box will still be there when we come back.
　　"Object permanence" means that when out of sight, an object ______
　　A. Still exists B. keeps its shape
　　C. Still stays solid D. is beyond reach
　　答案：A
　　解题关键：
　　1.定义：definition that is to say也就是说
　　2.构词法：permanent—permanence

　　7. A child's birthday party doesn't have to be a hassle; instead, it can be a basket of fun, according to Beth Anaclerio, an Evaston mother of two, ages 4 and 18 months.
　　What does the underlined word "hassle" probably mean?
　　A. a party designed by specialists
　　B. a plan requiring careful thought
　　C. a situation causing difficulty or trouble
　　D. a demand made by guests
　　答案：C
　　解题关键：比较comparison(instead—相反,反而)

　　8. William Shakespeare said. "The web of our life is of a mingled yarn（纱线），good and ill together."
　　 The underlined word "mingled" most probably means?
　　A．Simple B．Mixed C．Sad ?D．happy
　　答案：B
　　解题关键：definition or explanation 定义或解释猜测词义

　　9. The house looked quite normal outside, but inside it was very exotic with fascinating objects on display. As he began putting them into his bag, a god came into the room. It stopped when it saw Buster, then wagged its tail madly and went over to him, licking his outstretched hand. "Good boy," Buster whispered. "What a great guard dog you are --- trying to lick me to death."

　　Which of the definitions is closest in meaning to the word "exotic" ?
　　A Messy and untidy. 　　
　　B. Rich and expensive.
　　C. Comfortable and calming 　
　　D. Unusual and foreign.
　　答案：D
　　解题关键：对比contrast，normal—but---unusual

　　10. Lions are opportunists. They prefer to eat without having to do too much work. When resting in the shade, they are also watching the sky to see what is flying by, and even in the heat of the day they will suddenly start up and run a mile across the plains to find out what is going on. If another animal has made a kill, they will drive it off and take the kill for themselves.
　　By describing lions as "opportunists", the author means to say that lions ____.
　　A. are cruel animals
　　B. are clever animals
　　C. Like to take advantage of（利用） other animals
　　D. Like to take every chance to eat
　　答案：C
　　解题关键：构词法及下文解释opportunity---ist