Which aspects of butterflies does the passage mainly discuss?
A.Their physical characteristics.
B.Their adaptation to different habitats.
C.Their names
D.Their variety.

All of the following are mentioned as being important parts of a general theory of diversity EXCEPT_______
A.differences between temperate and tropical zones
B.patterns of distribution of species in each region
C.migration among temperate and tropical zones
D.variation of patterns of distribution of species among different animals and plants

Which of the following is NOT well understood by biologists?
A.European butterfly habitats.
B.Differences in species richness between temperate and tropical regions.
C.Differences in species richness within a temperate or a tropical region.
D.Comparisons of behavior patterns of butterflies and certain animal groups.

Butterflies are a good example for communicating information about conservation issues because they______
A.are simple in structure
B.have been given scientific names
C.are viewed positively by people
D.are found mainly in temperate climates

The word “evidenced" in paragraph 3 is closest in meaning to_____
A.pointed
B.repeated
C.indicated
D.exaggerated

The word “consequence” in paragraph 1 is closest in meaning to_____
A.result
B.explanation
C.analysis
D.requirement

Choose the sentence which is closest in meaning to the printed one.
It's thought that the accident was caused by human error.
A.The accident took place because of thoughtlessness.
B.Humans' thoughtlessness caused the accident.
C.The accident is thought to have been caused by human error.
D.The accident is thought to cause human error.

Choose the sentence which is closest in meaning to the printed one.
Scientists say forests are being destroyed by air pollution.
A.Scientists blame air pollution for the destruction of forests.
B.Scientists are blamed for destroying forests.
C.Forests are being destroyed by scientists.
D.Forests account for air pollution.

Choose the sentence which is closest in meaning to the printed one.
'Sorry madam, looking after the garden is not my duty.'
A.He apologized for not looking after the garden.
B.He promised to look after the garden.
C.He said that he was not responsible for looking after the garden.
D.He asked me if looking after the garden was his duty.

Which sentence is NOT mentioned?
A.The World Wide Web is difficult to navigate.
B.The World Wide Web provides information.
C.The World Wide Web is difficult to control.
D.E-mail communication is quick and easy.