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听力原文:W: John! Have you chosen a physical education class yet for this semester? M: No, why? W: You've got to take rock climbing. We just had the first class and it looks like it's going to be great ! M: You think I should take rock climbing? You've got to be kidding. Besides, how can they teach rock climbing when it's completely flat around here? W: That's not important. You can't just start climbing without any training. You have to get in shape, learn how to use the ropes, the belts, the buckles-there's a lot of preparation first. M: You don't think it's just a little bit dangerous? W: Not if you know how to use the safety equipment, which is, by the way, pretty high tech. The ropes are made of elastic fibers that stretch a little, the shoes have special grips on the bottom, and the helmets are made out of some kind of special plastic. You have to learn how to use all this before you do any real climbing. M: Well, what's the appeal? We'll spend the whole semester studying something we don't actually get to do. W: We will take a climbing trip during spring break, but that's not the point. Climbing isn't the only goal. In preparing to climb you learn patience, mental discipline, and you gain fantastic physical strength. Especially in your hands. For the first few weeks we're going to concentrate entirely on hand and upper-body exercises. M: All that in one sport? Maybe you're right. Since it's not too late to join the class, maybe I will. (23)
A.
Convince the man to take a rock-climbing course with her.
B.
Find a place to go rock climbing.
C.
Find out if a rock-climbing course will be offered.
D.
Plan a rock- climbing trip over spring break.
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【简答题】在关系数据库的规范理论中,在执行“分解”时,必须遵守规范化原则:保持原有的依赖关系和 。
【简答题】在关系数据库的规范化理论中,在执行“分解”时,必须遵守的规范化规则:保持原有的依赖关系和 。
【单选题】When hostages and hostage takers were trapped by siege , some surprising things unfold.
A.
catch
B.
encirclement
C.
occupation
D.
invasion
【简答题】怎样理解经济学中的成本?
【单选题】When hostages and hostage takers were trapped by siege , some surprising things unfold.
A.
invasion
B.
catch
C.
occupation
D.
encirclement
【简答题】五百分之一围属于( )比例尺。
【多选题】肋膈隐窝
A.
由脏胸膜和壁胸膜形成
B.
是肋胸膜和膈胸膜的反折处形成的半环形深隙
C.
是胸膜腔的最低部位
D.
左、右肋膈隐窝相通
E.
是胸膜腔穿刺抽液的部位
【多选题】形成肋膈隐窝的胸膜是( )
A.
脏胸膜
B.
肋胸膜
C.
膈胸膜
D.
纵隔胸膜
E.
胸膜顶
【单选题】5五百分之一围属于( )比例尺。
A.
大;
B.
中;
C.
小;
D.
特小。
【单选题】统计表的基本结构包括
A.
统计调查表、整理汇总表和统计分析表
B.
大标题、小标题、线条和数字
C.
大标题、小标题、线条、数字和备注
D.
标题、纵横标目、线条和数字
E.
标题、纵横标目、线条、数字和备注
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