单项选择题

Muscles are unique fibers, because they can()

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

<上一题 目录 下一题>
热门 试题

单项选择题
Intelligent use of the muscles means that ()

A.one always knows what his muscles are doing
B.one performs simple actions without working
C.one's muscles are used only to the extent necessary for each action they perform
D.one improves muscular action consciously

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.

相关试题
  • 假如你是李明,由于生病住进了医院。在医院...
  • Kate: Don’ t forget to come to ...
  • A.express B.extra C.expert D.expo...
  • Student: Which job do you think I...
  • Sandy: How’ s the young man Kazi...