【正文】
es do not push。they can only bend the arm at the elbow,the muscle at the front of the upper arm has to shorten and bunch unbend the arm,other muscles in the back of the arm have to two sets of muscles —the front and back—are said to act in opposition to each one set is working ,the other set is usually there are times when both of them muscles are called upon to do more than simply pull in one may have to perform a turning be able to do this ,the muscle must be attached to the bone at an pulling, the muscle can cause the bone to pivot. to the passage,movement occurs when a muscle____.A)grows B)shortens C)relaxes D)pushes point at which a muscle is attached to the bone that moves is called the ____.A)source B)insertion C)tendon D)diaphragm phrase“called upon”in line 12 is closest in meaning to which of thefollowing?A))))Subjected. passage implies that reversing the musclebone movement used to bend an arm requires____.A)the relaxation of two sets of muscles B)the use of different muscles C)a different kind of tissue D)the enlargement of the muscle are some muscles attached to bones at an angle?A)To cause the muscles to )To strengthen the muscles.C)To shorten )To perform a turning action.Passage 4 Questions 36 to 40 are based on the following passage.Of the tens of thousands of ships on the ocean bottom,only a handful,less than1 percent,contain negotiable treasure,such as gold and give us a different,priceless treasure— sunken ship lies in trust,preserved in the airless environment of the sea,and those in deep water are especially well dry land sites anywhere—except perhaps Egyptian tombs—are in a better state of preservation than a vessel deep in the sunken ship,therefore,can be a rare window through which a moment in time is glimpsed.This is not to imply that sunken ships are always found ships break up on the way down,hit the bottom at about 100 miles per hour,and bee a chaotic,confusing jumble(混亂的一堆).I recall the chagrin(懊惱)of a novice diver who ,after surfacing from an underwater tour of a 400foot ship,asked his diving buddy.“Where was the wreck?” It takes experience to actually know sunken ship when one sees it.But no matter what its condition on the way down,a ship deteriorates much more slowly as it sinks deeper into protective layer of sand and vessels have been found in remarkably good 1997 a group of marine archaeologists excavating(發(fā)掘)a 900yearold wreck recovered engraved glassware,Greek coins,bronze kettles,and amazingly,Greek jars containing seeds,almonds,and lentile—even a plate with chicken bones. of the following is meant by the“priceless treasure”metioned in line 2?A)Valuable )Ancient )Precious )Old books. author pares a sunken ship preserved in the deep sea to which of the following?A)A tomb in )A Greek )A )A bronze chest. to the passage,which of the following usually happens to a ship as it sinks?A)It remains in an upright )It gets transported by the currents.C)It breaks into )It attracts marine life. of the following objects found on the 900yearold wreck most surp rised the author?A)))Chicken )Glassware. of the following features of an ancient ship is of most interest to the author?A))))Design.Part Ⅲ Vocabulary and Structure(20 minutes)Directions:There are 30 inplete sentences in this each sentence there are four choices marked A),B),C)and D).Choose the ONE that best pletes the mark the corresponding letter on the Answer Sheet with a single line through the center. didn’t find ____ to prepare for the worst condition he might )worth his while B)it worth C)it worthwhile D)it worthy would rather she ____ me a new one instead of having the old one rep aired as she did.A)gave B)should give C)had given D)give I____ the problem,I would do it in a different way.A)would solve B)solve C)shall solve D)were to solve world will be a dull place when all the different nationalities behave exactly____.A)alike B)likable C)likely D)like are like solids ____ they have a definite volume.A)in that B)for that C)with that D)at that music was so ____ that it was hard for me to hear it.A)vague B)faint C)tedious D)peculiar is another major instrument of munication,____ us to see as well as ____ the performer.A)permitted,to hear B)being permitting,hear C)to permit,hearing D)permitting, to hear. old man was lucky to ____ the heart operationA)e to B)e across C)e up with D)e through made of plastic fibres has certain advantages over ____ made of natural fibres like cotton,wool or silk.A)one B)the one C)that D)what mistakenly thought that Darwin was saying that the monkey was the ____ of the human race.A)successor B)offspring C)predecessor D)breeder dinner with me,____ ?A)will you B)would you C)won’t you D)haven’t you ____ cats and dogs for over a week and the downpour had caused land slides in many places.A)rained B)was raining C)had rained D)had been raining53.—“Why didn’t Smith join the International Students Organization?” —“He objected to ____ dues.”A)our charging B)us charging C)charge D)we charge socalled even number are ____ :2,4,6,8 and so on.A)as a rule B)as follow C)as follows D)as for’s sometimes badtempered but he’s a good fellow ____.A)in heart B)with heart C)at heart D)by heart ____ children always like to make up fairy tales.A)imaginative B)imagining C)imaginary D)imaginable was unfair that the honest old man was ____of the crime.A)accused B)charged C)blamed D)sentences is ____ to the students of science and engineering.A)of great importance B)of great importantC)great importanceD)very importance,housework has been made much easier by electrical____.A)facilities B)appliances C)instruments D)apparatus doesn’t know how much I spent in repairing the house。if she had ever found out,I’m sure____.A)she does never forgive me B)she’ll never forgive meC)she never f