The "impact theory" sounds reasonable because_____ .
A. scientists have found what happened billions of years ago
B. it is based on the newly gathered information about Mars
C. it can answer many questions raised about the moon and the earth
D. astronauts believe that the moon and the earth are of the same age
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Which of the following can best summarize Sallon's Plant Project？
A. Discovering new species.
B. Protecting rare species.
C. Restoring extinct species.
D. Reforming existing species.
Which of the following is true about Angelina Jolie？
Angelina Jolie became a funeral director at the age of 26.
B. Angelina Jolie was 26 years old when this article was written.
C. Angelina Jolie started to learn acting when she was 26 years old.
D. Angelina Jolie wanted to become a funeral director at the age of 26.
By the year 2000, the number of births and the number of deaths in China will____.
A. be greatly different
B. be equal to each other
C. drop a great deal
D. become much larger
The first paragraph is mainly concerned with_____.
A. snow glare and snowhlindness
B. the whiteness from snow
C. headaches, watering eyes and snowblindness
D. the need for dark glasses
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