II. Grammar and Vocabulary

Section A （10分）

Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

A. generated B. furniture C. fame D. resulting E. suggestions

F. developed G. eventually H. completed I. fixed J. commercial K. softly

The Father of JD Printing

About twenty years ago, the surgeons at the Wilford Hull medical center working to separate a pair of conjoined(连体的) twins thought that only one would be able to walk after the operation. After a model of the girls' bone structure was (31)________ using 3D printing, however, they found a shared upper leg bone to be bigger than expected and split it successfully, (32)________ in both twins being able to walk. Now eighty and still working as chief technology officer of 3D Systems. Chuck Hull is enjoying some minor (33)________ 31 years after he first printed a small black eye-wash cup using a new method of manufacturing known as 3D printing.

At the time, he was working for a company that used UV light to put thin layers of plastic coats on tabletops and (34)________. He had an idea that if he could place thousands of thin layers of plastic on top of each other and then cut their shape using light, he would be able to form three dimensional objects. After a year, he (35)________ a system where light was shone into a bottle of photopolymer - a material which changes from liquid to plastic-like solid when light shines on it - and traces the shape of one level of the object. Subsequent layers are then printed until it