LVL 4_S_7.1

1. Most folk songs are ballads ______ have simple words and tell simple stories.

• A. what

• B. although

• C. when

• D. that

2. 2. After its introduction in 1969, the float process ______ the world's principal method of manufacturing flat sheets of glass.

• A. by which it became

• B. it became

• C. became

• D. which became

3. 3. In 1850, Yale University established Sheffield Scientific School, _____

• A. engineers were educated there

• B. where engineers were educated

• C. in which were engineers educated

• D. where were engineers educated

4. 4. Many of Louise Nevelson's sculptures consisted of a number of large wooden structures ______ in complex patterns.

• A. which she arranged

• B. she arranged them

• C. which arranged

• D. arranged them

5. 5. In addition to being a naturalist, Stewart E. White was a writer ______ the struggle for survival on the American frontier.

• A. whose novels describe

• B. he describes in his novels

• C. his novels describe

• D. who, describing in his novels

6. 6. Diamonds are often found in rock formations called pipes, ______ the throats of extinct volcanoes.

• A. in which they resemble

• B. which resemble

• C. there is a resemblance to

• D. they resemble

7. 7. William Samuel Johnson, helped write the Constitution, became the flrst president of Columbia College in 1787.

• A. whom he had

• B. and he had

• C. who had

• D. had

18. 8. Seals appear clumsy on the land, are able to move short distances faster than most people can run.

• A. but they

• B. which they

• C. they

• D. which

9. 9. The instrument panel of a light airplane has at least a dozen instruments _____

• A. the pilot must watch

• B. what the pilot must watch

• C. which the pilot must watch them

• D. such that the pilot must watch them

10. 10. A keystone species is a species of plants or animals ______ absence has a major effect on an ecological system.

• A. that its

• B. its

• C. whose

• D. with its