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Are you nervous about climbing because you think it’s too dangerous? Do you feel you’re not fit enough to climb? Do you know how to start climbing? Let’s consider the idea that climbing is dangerous. Being afraid is natural, but if you use suitable ropes and other climbing equipments you will feel completely safe. Climbers are usually very careful because they know what they are doing is dangerous. Accidents happen, but when they do, they tend to attract a lot of publicity. As a result, people think there are many more accidents than there are in reality. You cannot expect to start climbing straight away. Climbing is a challenge and challenges take time. It is necessary first of all that you achieve a good level of fitness. Begin as soon as you become interested in climbing—go to the gym, go swimming, take up jogging and continue to do so throughout your training period. Discover as much as you can about climbing. Visit the library and find books especially for beginners or buy climbing magazines and look for articles which describe your situation. Look up information on the Internet. Find out about equipment, methods and places to go. Next, take a course on a climbing wall. There are plenty of climbing walls all over the country which have trained and qualified people as instructors. Call your local leisure centre to find out if there is one in your area. These training sessions are a quick way to get experience and you are likely to meet other beginners. After this, you can do an outside course or join a club where you can meet climbers of all abilities and eventually join in group-climbing events. At first you may not understand the importance of a good training period, but after you have completed your first climb and you are standing safely at the top of a rock feeling thrilled, then you will know it was the right thing to do. 小题1:The article is written by ______. A.a doctor B.an experienced climber C.a beginner D.a fitness instructor 小题2:The writer thinks a new climber should ______. A.begin by becoming fit B.be aware of the causes of the accidents C.have the courage to meet the challenges D.do enough sports to get interested in climbing 小题3:By climbing walls you can ______. A.join a club you like B.become qualified instructors C.gain controlled experience D.take part in group-climbing events 小题4:The underlined word “it” in the last paragraph probably means ______. A.the climb B.the training C.the equipment D.the achievement
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【单选题】复合杠杆系数也称综合杠杆系数,以下描述错误的是( )。
A.
复合杠杆=经营杠杆*财务杠杆
B.
DCL=DOL*DFL=M/(EBIT-I)
C.
复合杠杆=每股利润变动率/销售量变动率
D.
复合杠杆越大越好
E.
复合杠杆是由于固定经营成本和固定借款费用的同时存在,而引起的销量变动对每股收益变动的叠加放大作用
【判断题】某投资项目需要20万元固定资产投资,通过银行借款10万元,年利率为5%,期限为一年,项目建设期为零,固定资产预计无残值,使用寿命为5年,直线法计提折旧,则年折旧额为4.1万元。( )
A.
正确
B.
错误
【判断题】微生物将分子态氮还原为氨的作用称为生物固氮作用。
A.
正确
B.
错误
【单选题】某投资项目需要20万元固定资产投资,预备费投资1万元,通过银行借款10万元,年利率为5%,期限为一年,项目建设期为零,固定资产预计无残值,使用寿命为5年,直线法计提折旧,则年折旧额为4.2万元。 ( )
A.
正确
B.
错误
【判断题】当火灾探测器出现误报警时,应首先按下“警报器消音”键,停止现场警报器发出的报警音响,通知现场人员及相关人员取消火警状态。
A.
正确
B.
错误
【判断题】当火灾探测器出现误报警时,应首先按下“警报器消音”键,停止现场警报器发出报警音响,通知现场人员及 相关人员取消火警状态。()
A.
正确
B.
错误
【判断题】( )访谈法样本小,需要较多的人力、物力和时间,应用上受到一定限制。
A.
正确
B.
错误
【单选题】以下词语属于互补反义义场的是:
A.
黑——白
B.
红——绿
C.
曲——直
D.
高——低
【判断题】轴承室内润滑脂加得过多会导致直流电动机滚动轴承发热,般应适量加入海滑脂(一般为轴承室容积的1/5~1/3)。
A.
正确
B.
错误
【判断题】轴承室内润滑脂加得过多会导致直流电动机滚动轴承发热,一般应适量加入润滑剂(一般为轴承室容积的1/5~1/3)。( )
A.
正确
B.
错误
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