1、In 1976 Sarah Caldwell became _________ at the Metropolitan Opera House in New York City.
A. she was the first woman to conduct B. the first woman conductor
C. the woman was first conducting D. the woman conducts first
2、Perhaps the most significant postwar trend was the decentralization of cities throughout the United States, _________ when massive highway-building programs permitted greater suburban growth.
A. and accelerated a phenomenon B. a phenomenon that accelerated
C. accelerating a phenomenon which D. the acceleration of which phenomenon
3、_________, domesticated grapes grow in clusters, range in color from pale green to black, and contain sugar in varying quantities.
A. Their botanical classification as berries
B. Although their botanical classification as berries
C. Because berries being their botanical classification
D. Classified botanically as berries
4、Of all the candidates for head of accounting, Mr. Lee is by far the most ------- and experienced.
A. conditional B. requisite C. secured D. qualified
5、Flower deliveries are made within 24 hours ------- orders are called in by 2 P.M.
A. when B. even C. over D. while