单项选择题

Muscles are unique fibers, because they can ()

A．contract
B．stretch
C．retract
D．do all of the above

相关考题

The writer of the article is()A．Mrs. Whites nieceB．the ...

单项选择题The writer of the article is()

A．Mrs. White's niece
B．the Whites' cousin
C．Sarah' s friend at college
D．Jane' s friend at school

In what way did the writer find the White family comple...

单项选择题In what way did the writer find the White family completely different from her own()

A．Her parents were not as loving as the Whites.
B．Hers were very strict parents while the Whites were too kind.
C．When something went wrong the Whites didn' t blame their children for it.
D．When aomething had happened, her parents wanted the children to learn a lesson.

From the passage we can conclude that ()A．Amy has never...

单项选择题From the passage we can conclude that ()

A．Amy has never recovered from the shock
B．The accident didn't change Amy in the least
C．As her head was damaged, Amy didn't feel any guilt
D．Amy has lived quite a normal life, but she can never forget Jane