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【简答题】
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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【判断题】当地居民的热情友好态度也是一种旅游资源。
A.
正确
B.
错误
【单选题】甲、乙双方签订一份建造10万平方米商品房的合同,由此形成的法律关系客体是()
A.
乙方承建的该10万平方米商品房
B.
甲乙双方
C.
甲乙双方承建该商品房的工程劳务
D.
该合同中规定的双方的权利和义务
【判断题】将原始数据做线性变换后,马氏距离不变。
A.
正确
B.
错误
【多选题】在酸性溶液中KBrO3与过量的KI反应,达到平衡时溶液中的()
A.
两电对BrO3-/Br-与I2/I-的电位相等
B.
反应产物I2与KBr的物质的量相等
C.
溶液中已无BrO3-存在
D.
反应中消耗的KBrO3的物质的量与产物I2的物质的量之比为1:3
【多选题】在酸性溶液中KBrO3与过量的KI反应,达到平衡时溶液中的()。
A.
两电对BrO3-/Br-与I2/2I-的电位相等
B.
反应产物I2与KBr的物质的量相等
C.
溶液中已无BrO3-离子存在
D.
反应中消耗的KBrO3的物质的量与产物I2的物质的量之比为1:3
【多选题】在酸性溶液中KBrO3与过量的KI反应,达到平衡时溶液中的()。
A.
两电对BrO 3 - /Br - 与I 2 /2I一的电位相等
B.
反应产物I2与KBr的物质的量相等
C.
溶液中已无BrO3存在
D.
反应中消耗的KBrO 3 的物质的量与产物I2的物质的量之比为1:3
【单选题】在酸性溶液中 KBrO 3 与过量的 KI 反应,达到平衡时溶液中的
A.
两电对 BrO 3 - / Br - 与 I 2 / I - 的电位不相等
B.
反应产物 I 2 与 KBr 的物质的量相等
C.
溶液中已无 BrO 3 - 离子存在
D.
反应中消耗的 KBrO 3 的物质的量与产物 I 2 的物质的量之比为 1 : 3
【单选题】在酸性溶液中KBrO3与过量的KI反应,达到平衡时溶液中的
A.
两电对BrO3-/Br- 与I2 /2I- 的电位相等
B.
反应产物I2与KBr 的物质的量相等
C.
溶液中已无BrO3- 存在
D.
溶液中已无I- 存在
【简答题】在酸性溶液中 KBrO3 与过量的 KI 反应,达到平衡时溶液中的( )。A. 两电对BrO3- /Br- 与 I2 /2I- 的电位相等 B. 反应产物 I2 与 KBr 的物质的量相等 C. 溶液中已无 BrO3-离子存在 D. 反应中消耗的 KBrO3 的物质的量与产物 I2 的物质的量之比为 1:3
【多选题】女性生殖系统可防止外界的污物及病原体的侵入的结构特点有哪些?
A.
双侧阴唇自然合拢
B.
阴道前后壁紧贴
C.
宫颈口有分泌物形成“黏液栓”
D.
阴道口有处女膜
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