1)The temperature of the interior of the sun is believed to be about
_____________.
A. 10,000℉
B. 10,000,000℉
C. 20,000,000℉
D. 20,000℉
2)According to this article, the sun ___________.
A. is getting hotter
B. may eventually destroy the earth
C. is getting cooler
D. both A and B
3)The mass of the sun is ____________.
A. one-third of a million times greater than the earth’s
B. one-third of the mass of the earth
C. three times that of earth’s
D. one-third of a million times smaller than the earth’s.

5)It can be inferred from the passage that at one time bees have the ability to
_____________.
A. increase their activity in lower temperatures
B. leave cold climates during winter
C. remain domant through periods of cold weather
D. construct insulated hives
6)According to the passage, bees differ from most other communities of inseets
in their need to ______________.
A. reproduce in large numbers
B. control the temperature where they live
C. divide the work of their colonies
D. have a complex defence system