1:单选题
【填句补文】 Although the researchers have only just made the technical details of the microscope public, it is already on sale. It is currently the size of a refrigerator and takes several minutes to scan a circuit, but Xiao and Schrag are working ________.
A、to take tiny chips we require
B、to making chips any smaller
C、to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds
D、of conducting electricity
2:单选题
【填句补文】It’s now socially acceptable, even fashionable, to live alone. As people get better jobs and become financially independent, it becomes possible for them to maintain a one-person household. ________. However, people who do get married are marrying at a later age and divorcing more often.
A、There's more pressure to get married nowadays.
B、The growing number of women with good jobs has done much to increase the number of people living alone.
C、It seems that many grown-ups today are realizing that childhood dream.
D、More and more Americans are living alone.
3:单选题
【阅读选择】Marian, the girl who wrote the original story about Roxaboxen that the children’s book is based on, was mayor. Other kids ran the stores which sold imaginary ice cream and baked goods. Kids drove imaginary cars outside of town, and the speeders went to jail, which was guarded by the sheriff, another kid. Elsewhere, boys and girls had battles, charging each other’s bases using spears made with ocotillo, a desert plant.
Who is Marian?
A、She is the author.
B、She sold ice cream in Roxaboxen.
C、She is the mayor of Roxaboxen in the book.
D、She guards the jail in the book.
1:正确答案：C
答案解析： 这部分所说的体积的减小和所需时间的缩短恰好与前半句中提到的冰箱大小的体积和所需数分钟的时间形成了对比。即：目前它大约像冰箱那么大，而且要用几分钟扫描一个电路，但是他们正在努力使它缩小到台式计算机那么大，把扫描时间缩短到30秒。
2:正确答案：B
答案解析： 前句中提到“经济独立”有可能造成保持一个人的家庭生活，B中的“妇女有好的工作，增加了独身的人数”与前句内容正好呼应。
3:正确答案：C
答案解析： 答案选C。事实细节题。根据关键词锁定短文本段。本段第一句话给出了正确答案，Marian是最先写这个故事的人，但是并不是这本书的作者。而且是这本书中那个小镇的镇长。