GED Science - GED-Science 模擬練習
All types of plant life anchor the soil and absorb much water and, thus, may lessen the effects of flooding at certain times of the year.
Which of the following would reduce flooding conditions?
Which of the following would reduce flooding conditions?
正解: B
A biology class examined the effects of small amounts of several chemicals on the heart rate of tiny water fleas. The graph shown at the left shows the results.
Which statement provides the best interpretation of the data?
Which statement provides the best interpretation of the data?
正解: A
Garbage, or "municipal solid waste," is composed of seven main items, which include plastics, food and yard wastes, paper, metals, glass, and other nonspecific trash. The type of garbage in a garbage dump can be related to the lifestyle of the people using the dump.
Exhibit:
According to the graph at the left, which statement is the BEST interpretation of this
community's use of the garbage dump?
Exhibit:
According to the graph at the left, which statement is the BEST interpretation of this
community's use of the garbage dump?
正解: C
Daily weather patterns are often the result of temperature differences, patterns of air flow, relative humidity, condensation, or evaporation. A warm front forms when a warmer air mass pushes a cold air mass ahead of it. Precipitation over a large area can occur along a warm front.
Based on this information and diagram, what would most likely happen if a mass of hot, humid air encountered a colder air mass in the northern portion of Earth's surface?
Based on this information and diagram, what would most likely happen if a mass of hot, humid air encountered a colder air mass in the northern portion of Earth's surface?
正解: E
The nightshade family of plants includes more than 2000 species of herbs, shrubs, and small trees. Plants with edible parts include the potato, tomato, eggplant, and red pepper. Some nightshade members such as jimsonweed and belladonna contain poisonous substances. Tobacco and petunias are also in the nightshade family.
Which of the following most accurately describes the entire group of plants in the nightshade family?
Which of the following most accurately describes the entire group of plants in the nightshade family?
正解: D
A limiting factor is a condition in the environment that may prevent an increase in the size of the population.
Which condition is least likely to be a limiting factor?
Which condition is least likely to be a limiting factor?
正解: B
Examine the following graph.
One wavelength is the distance from one crest of a wave to the next crest or from a trough (low point of a wave) to the next trough. The frequency of a wave is the number of crests that pass any given point each second.
Which section represents one complete wavelength?
One wavelength is the distance from one crest of a wave to the next crest or from a trough (low point of a wave) to the next trough. The frequency of a wave is the number of crests that pass any given point each second.
Which section represents one complete wavelength?
正解: E
After a hard rainfall, some of the falling water runs off into streams and is carried away. Some water moves down into Earth's soil and is used by plants.
The remaining water goes back into Earth's atmosphere as a result of which process?
The remaining water goes back into Earth's atmosphere as a result of which process?
正解: D
A person is interested in trilobites. A book on which subject would most likely furnish information about trilobites?
正解: E
Earth's system is observed by noting changes and interactions of the oceans, land, the atmosphere, and organisms. Some of these changes and interactions happen daily, while others take place over long periods of time.
Which of the following changes and interactions happen on a daily basis?
Which of the following changes and interactions happen on a daily basis?
正解: B