Structure Exercise 9-12

1. Dolphins form extremely complicated allegiances and _____________ continually change.

• (A) enmities that
• (B) that are enmities
• (C) enmities that are
• (D) that enmities

2. Scientists are now beginning to conduct experiments on __________ trigger different sorts of health risks.

• (A) noise pollution can
• (B) that noise pollution
• (C) how noise pollution
• (D) how noise pollution can

3. The Apollo 11 astronauts__________ of the Earth’s inhabitants witnessed on the famous first moonwalk on July 20, 1969, were Neil Armstrong and Buzz Aldrin.

• (A) whom
• (B) whom millions
• (C) were some
• (D) whom some were

4. At the end of the nineteenth century, Alfred Binet developed a test for measuring intelligence _____ served as the basis of modern IQ tests.

• (A) has
• (B) it has
• (C) and
• (D) which has

5. ______ have at least four hours of hazardous materials response training is mandated by federal law.

• (A) All police officers
• (B) All police officers must
• (C) That all police officers
• (D) For all police officers

6. A cloud’s reservoir of negative charge extends upward from the altitude at ________ the freezing point.

• (A) temperatures hit
• (B) hit temperatures
• (C) which temperatures hit
• (D) which hit temperatures

7. In a 1988 advanced officers’ training program, Sampson developed a plan to incorporate police in enforcing environmental protection laws whenever _________ feasible.

• (A) it is
• (B) is
• (C) has
• (D) it has

8. _________ will be carried in the next spaceshuttle payload has not yet been announced to the public.

• (A) It
• (B) What
• (C) When
• (D) That

9. During free fall, ________ up to a full minute, a skydiver will fall at a constant speed of 120 m.p.h.

• (A) it is
• (B) which is
• (C) being
• (D) is

10. The fact __________ the most importantratings period is about to begin has caused all the networks to shore up their schedules.

• (A) is that
• (B) of
• (C) that
• (D) what