第13题: [单项选择]Which of the following statements is true about William Harris A. He is interested in science. B. He changes his mind easily. C. He is not good at painting at all. D. He doesn’t worry about the security of a profession the way his father did. 参考答案:D 答案解析:[解题思路] 本题是一道综合判断题。
[关键问语] science，arts，good at，security
[详细解答] 通过校长与哈里斯先生的对话可对威廉的情况有个大致了解：他对艺术
第28题: [单项选择]It can be learned from the passage that oil exploitation beneath ANWR's frozen earth A. involves a lot of technological problems B. remains a controversial issue C. is expected to get under way soon D. will enable the U. S. to be oil independent 参考答案:B 答案解析:通过阅读全文，可以得知，关于开发北极地区国家生物保护区的石油的问题有两种意见：一种赞成；一种反对。文中尚未形成定论。因此，选项A、C、D很容易就被排除掉了，故选 B)。
