My postcard is still on the desk. Why () you () it

单项选择题The third paragraph is developed().

A．by space
B．by examples
C．by time
D．by comparison

单项选择题Armstrong was called Pops because he ().

A．looked like a musician
B．was a musician of much influence
C．showed an interest in music
D．traveled to play modem music

单项选择题What does the underlined word readings refer to().

A．literary works
B．books
C．announcements
D．figures

单项选择题The author writes this passage most probably for those who plan to () in Yellowstone National Park.

A．do research work
B．take a business trip
C．have sports games
D．spend their holidays or take a tour

单项选择题Why did Jeb pull his jacket open when he saw the cougar().

A．To get ready to fight.
B．To frighten it away.
C．To protect the boy.
D．To cool down.

单项选择题An employee may have a feeling of fear in the workplace when ().

A．he is forced to do things
B．be cannot work at his best
C．he feels his brain shut down
D．he thinks his work is too heavy

单项选择题20().

A．song
B．dream
C．fire
D．sister

单项选择题19().

A．that
B．which
C．it
D．who

单项选择题18().

A．surprised
B．excited
C．encouraged
D．interested

单项选择题17().

A．happy
B．sad
C．strange
D．surprised