2010 年 07 月 28 日(No.485)

►Weekly Test
True or False: T F
1. Stellar refers to things related to stars.
2. Optical refers to things you hear.
3. A hypergiant is the largest known star.
4. The newly discovered star can been seen with the unaided eye.
5. Stars lose mass as they get older.
Choose the best word or phrase to complete each sentence.
a. cinders
b. drill
c. luminescence
d. observatory
e. tracked down
6. All of the family photos were burnt to in the fire.
7. The class traveled to the to learn about astronomy.
8. The police and fire departments held a to prepare for a disaster.
9. Brett the baseball card he needed to complete his collection.
10. A special lens increases the of the spotlight.
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