1. According to the passage, our observations of nova are hampered by their

E. tremendous violence

2. The production of supernova

B.occurs 25 times in 1 year


3. By the term "new star" the author mean one that has

E.become visible by rotating in its orbit

4. Which from the following statement(s) true about novae and dwarf novae
I. 25 novae and super novae occur in our galaxy every year
II. occur in result of smaller explosions
III. only 100 of smaller explosions are known

D.I and II


5. When novae and dwarf novae occur,

B. the star destroys completely


6. The statement, "velocities range upward to within a two-hundredth of the speed of light" is for

E. pair of stars

7. The period of rotation of the pair of stars is usually only a few hours, because

B. the two stars are very near to each other
C. the revolving point is too near
(both situations can be, nearer the revovlving point=nearer will be the stars to each other leading to the slower will be the rotation.)
My final answer
B.


8. Chose the correct sentence

B.This box is much too heavy for me.


9.
C. I do not want to part with you.

10.

c)When he was charged with murder, he said he had an alibi.


11. Antonyms

Autonomous

c) dependent


12. Vivacious

b) inactive

Synonyms

13. Iota

c) column


14. Ravenous

c) avid