2 . The peaceful landscape of the “Emerald Isle” and its many green counties is a true feast for the eyes, with its rolling green hills d________(点缀) with sheep and cattle. (根据中英文提示填空)

3 . In the laboratory Watson found Sherlock Holmes ________ at a desk with his attention ________ on some experimental equipment.

A．seated; focusing	B．seating; focused
C．sat; focusing	D．sitting; focused

4 . At the age of 5, Zhang Haidi found she had a spinal tumor; three big operations left her p________ from the chest down. （根据首字母单词拼写）