单选题     Everyday each of us can renew our efforts to lead a healthier lifestyle so that we can remain free from illness and pain. Every health expert will advise that as part of any healthy living plan regular exercise should play an important part. For a large     26    of people enrolling at the local gym is the answer which will also produce results. There is one negative point however—upper back pain.
    What is the cause of upper back pain? In most instances bad posture is the chief     27    . This is often because we spend long periods of time sitting or standing in the same position, generally this tends to be in our place of work. Sitting at desk top computers is one source of this problem! By     28    the same position the muscles in the upper back which connect the shoulders and help to keep our back straight become tense, stiff and painful. If you find yourself     29    upper back pain it is highly likely that you have strained a muscle, this condition can be extremely painful but are easily treated by your doctor following an accurate     30    using X-rays.
    Keeping fit through physical exercise should not be stopped because of upper back pain, indeed it is an excellent method to prevent this painful problem and can help in relieving     31    . The use of weights as part of a gym workout may not be     32    , however if under close supervision of a trained professional it is still possible. There are     33    other types of exercise which can be continued whilst suffering upper back pain such as jogging or walking either using a treadmill (踏车) at home or out on the streets. The whole aim is to prevent stiffening of the muscles.
    The best way to avoid upper back pain is to try to avoid sitting or standing in the same position for     34    periods, if it is possible try to have a stretch break every hour or so. This may not be possible therefore, you should try to find ways of jogging your memory throughout the day to keep your posture correct—put little notes round your computer screen! It will     35    come naturally and hopefully the problem will disappear.
    A. eliminate                                I. exactly
    B. suffering                                J. majority
    C. extended                                K. sophisticated
    D. eventually                              L. diagnosis
    E. advisable                                M. symptoms
    F. criminal                                N. maintaining
    G. abandoning                              O. virtually
    H. numerous
问答题    
 
【正确答案】J
【答案解析】由空格后的of判断空格处应填入名词。文中提到“______人报名参加当地的健身房就是很有效的做法”，把选项中的四个名词分别代入文中，只有majority能符合a large ______ of的结构，a large majority of意为“大多数”，符合题意。
问答题    
 
【正确答案】F
【答案解析】由空格前的形容词chief可知，此处需填入名词。根据句意“在大多数病例中，姿势不良为主要的______”，剩下的三个名词中只有criminal(罪犯)符合句意，此处chief criminal意为“罪魁祸首”。
问答题    
 
【正确答案】N
【答案解析】根据空格前的介词by和空格后的名词可知，此处需填入动名词。把三个动名词分别代入句意“长时间地______同一姿势会致使连接我们肩膀并保持我们背部挺直的肩肘部肌肉紧张、僵硬和疼痛”，只有maintaining(保持)符合语境。
问答题    
 
【正确答案】B
【答案解析】根据句子结构可知此处应填入动名词作宾语补足语。根据句意“如果你发现你肩肘部______，那很有可能你已经拉伤了你的肌肉”，将选项中剩下的两个动名词分别代入句中，只有suffering(遭受)”后可接upper back pain，且符合句意。
问答题    
 
【正确答案】L
【答案解析】根据空格前面的形容词accurate可知，此处应填入名词。再根据句意“但是用X光对你进行精确的______后，医生就能很快将这种疼痛治愈”，此处doctor一词暗示了答案，选项中只有diagnosis(诊断)符合此处语境。
问答题    
 
【正确答案】M
【答案解析】根据句子结构可知，此处应该填入名词作relieving的宾语。根据句意“实际上，体育运动是预防这种疼痛的有效方法，也能帮助我们缓解______”，结合选项中的名词，只有symptoms(症状)符合文意，relieve symptoms意为“缓解症状”。
问答题    
 
【正确答案】E
【答案解析】根据句子结构可知空格处应填入形容词。根据句意“健身运动中需要运用力量的一些锻炼不太______，然而，在受过训练的专业人士的严密监督下，也是可行的”，however表转折，其后面说“可行”，判断前面应表达否定的含义，再结合空格前的not可知只有advisable(适宜的，可取的)符合题意。
问答题    
 
【正确答案】H
【答案解析】分析句子结构可知，空格处需要填入一个形容词。根据句意“当肩肘部疼痛时，仍然有______其他运动可以继续进行”，剩下的形容词中只有numerous(许多的)符合题意。
问答题    
 
【正确答案】C
【答案解析】由空格后的名词可知，此处应该填入一个形容词。句中提到“避免肩肘部疼痛的最好方法就是尽量避免以同一姿势坐或站______时间”，剩下的两个形容词中只有extended(长期的)最符合此处语境。
问答题    
 
【正确答案】D
【答案解析】由句子结构可知，此处应填入一个副词。根据句意“ ______你会养成习惯，疼痛很有可能就会消失”，副词选项中只有eventually(最终)符合题意。