For Questions 5 to 7, select one entry from the corresponding column of choices for each blank. Fill all blanks in the way that best completes the text.

填空题 Since many people who casually tan indoors develop skin cancer and many {{U}} (i) {{/U}}indoor tanners do not, scientists believe that individuals differ in their {{U}} (ii) {{/U}}the development of melanoma. A. habitual B. frequent C. chronic D. proximity to E. susceptibility to F. concern about

填空题 Despite claims that his artistic style can be traced to {{U}} (i) {{/U}}source, the style actually draws upon several traditions and methodologies and could justifiably be termed {{U}} (ii) {{/U}}. A. a fraudulent B. a schematic C. a particular D. eclectic E. derivative F. consistent

填空题 When President Thomas Jefferson's relentless passion to know all about the flora and the {{U}} (i) {{/U}}of the Western section of the country grew too overwhelming, he enjoined explorers Lewis and Clark to {{U}} (ii) {{/U}}their journey into this vast, mysterious {{U}} (iii) {{/U}}. A. flowers B. fauna C. forests D. dictate E. aggrandize F. chronicle G. uncharted territory H. promised land I. familiar ground