Muscles are stringly bundles of fibers varying from one five - thousand of an inch to about three inches. They have three unique characteristics, they can become shorter and thicker; they can stretch; and they can retract to their original positions. Under a high -powered microscope, muscle tissue is seen as long, slender cells with a grainy texture like wood.
More than half of a person' s body is composed of muscle fibers, most of which are involuntary, in other words, work without conscious direction. The voluntary muscles, those that we move consciously to perform. particular actions, number more than five hundred. Women have only 60 to 70 percent as much muscle as men for their body mass. That is why an average woman can' t lift as much, throw as far, or hit as hard as an average man.
According to the selection, the muscular sense is responsible for ______ .
A.the efficiency of our muscles
B.the normal breathing function
C.directing our muscles intelligently
D.the work of only our involuntary muscles
The real power of words exists in their______.
A.convenience
B.properties
C.invention
D.representative function
From Henning's results we can see that______.
A.beginners have difficulty distinguishing the pronunciation of words
B.advanced students remember words by their meaning
C.it is difficult to remember words that sound alike
D.it is difficult to remember words that have the same meaning
Only after the students have mastered the rules of pronunciation _____.
A.can they memorize words more easily
B.when can they memorize words more easily
C.then they can memorize words more easily
D.when they can memorize words more easily
According to the passage, both "popular" words and "learned" words ______.
A. seem to be of no use
B. can help people to get a better comprehension of the language.
C. are easy to master
D. have gone beyond our mother's reach
No sooner______ than he realized that he should have remained silent.
A.the words had spoken
B.had the words spoken
C.the words had been spoken
D.had the words been spoken
What is the main function of deposit insurance fund?
A.To ensure that the banks have sufficient fund to finance other economic sectors.
B.To protect the banks from all kinds of risks arising from their operation.
C.To meet requirements of financial needs of the public.
D.To pledge to depositors that their money is safe whenever a bank is insolvency.
A.formal words
B.common words
C.colloquial words
D.slangs
2. Which of the following is implied in the first paragraph?
[A] People used to be forced to work under whips.
[B] The author dislikes the function of politics in economy.
[C] Incentives are always less available than regulations.
[D] People have an instinct of working less and getting more.
()refers to the phenomenon that words having different meanings have the same forms, i.e. words with different meanings are identical in sound or spelling, or both. For example, rain/reign, bow v./bow n. and bear n./bear v.
A.Polysemy
B.Hyponymy
C.Antonymy
D.Homonymy
The butcher did not give any meat to the dog ______.
A.when he found the words on the paper were not very clear
B.because he happened to have sold out all the meat in his shop
C.before he felt sure that the words were really written by Mrs. Smith
D.until he was paid enough by Mrs. Smith