更多"I listened to Dr. Wilson’s lecture "的相关试题:
[单项选择]What is this lecture mainly about（ ）.
A. Usual Species of fish.
B. Characteristics of a unique sea animal.
C. The harvest of fish eggs.
D. Unusual species of horses.
[单项选择]Today’s lecture is about two powerful natural forces, one destructive, yet the other productive.
Tornado (龙卷风) is a typical example of destructive forces in nature. Forces other than damaging winds are also at work inside tornadoes. Sometimes as twisting, screaming wind passes over house, the walls and the ceiling burst apart as if a bomb had gone off inside. This explosion is caused by the low air pressure at the center of a tornado.
The pressure at the center of a tornado is usually 13 pounds per square inch. However, inside the house the air pressure is normal, about 15 pounds per square inch. The difference of 2 pounds per square inch between the inside and outside pressure may not seem like much. But suppose a tornado passes over a small building that measures 20 by 10 feet. On each square inch of the building, there is 2 pounds of pressure from the inside that is not balanced by air pressure outside the building. On the ceiling, that adds up to an unbalanced pressu
A. force of tornado increases the air pressure in a building
B. air pressure at the center of a tornado is as strong as over 172,000, pounds
C. weight of a tornado can crush a building’s roof when it passes overhead
D. air pressure inside a tornado is less than air pressure inside a building
[单项选择]What is the lecture mainly about
A. Global warming.
B. Shoreline retreat.
C. Rise in sea-level.
D. Water intrusion.
[单项选择]What is stated in the lecture about the Venus flytrap（ ）.
A. It is the largest insectivorous plant.
B. It is found only in South America.
C. It has moveable parts.
D. It has only one trap leaf.
[单项选择]
| Questions 17 to 20 are
based on a lecture about four categories of music. You now have 20 seconds to
read Questions 17 to 20. |
Where did classical music originate
A. In Asia.
B. In Africa
C. In Europe.
D. In Australia.
[单项选择]The lecture which lasted about three hours was so （）that the audience couldn’t help yawning.
A. tedious
B. bored
C. clumsy
D. tired
