题目内容

在张家沟这样的旅游胜地,旅馆业要增加利润,只有两条途径:第一,增加旅馆的客房数;第二,显著改善现有旅馆的设施。当地政府明文禁止修建新的旅馆或在现有旅馆内以任何方式增加客房。如果上述断定为真,则以下哪项一定为真 Ⅰ.在张家沟,旅馆业主如果要增加旅馆的房间,就一定会违反政府的规定。 Ⅱ.在张家沟,旅馆业主只有两个选择:显著改善现有旅馆的设施,或者违反政府的规定。 Ⅲ.在张家沟,如果旅馆业主遵守政府的规定,就不能增加利润。

A. 只有Ⅰ。
B. 只有Ⅱ。
C. 只有Ⅲ。
D. 只有Ⅰ和Ⅱ。
E. Ⅰ、Ⅱ和Ⅲ。

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篮球队教练规定,如果1号队员上场而且3号队员没有上场,那么,5号与7号队员中至少要有1人上场。如果教练的规定得到彻底贯彻,1号队员没有上场的充分条件是以下哪一项

A. 3号队员上场,5号、7号队员没上场。
B. 3号队员没上场,5号、7号队员上场。
C. 3号、5号、7号队员都没上场。
D. 3号、5号、7号队员都上场了。
E. 无法判断。

Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.One of the most common images of advanced Western-style culture is that of a busy traffic-filled city. Since their first 1 on American roadways, automobiles have become a 2 of progress, a source of thousands of jobs and almost an inalienable right for citizens’ personal freedom of movement. In recent 3 , our love affair with the car is being 4 directly to the developing world and it is increasingly 5 that this transfer is leading to disaster. America’s almost complete dependence on automobiles has been a terrible mistake. As late as the 1950s, a large 6 of the American public used mass transit. A 7 of public policy decisions and corporate scheming saw to it that countless 8 and efficient urban streetcar and intra-city rail systems were dismantled. Our air quality now suffers from the effects of pollutants emitted directly from our cars. Our lives have been planned along a road grid-homes far from work, shopping far from everything, with ugly stretches of concrete and blacktop in between. Developing countries are copying Western-style transportation systems down to the last detail. The problems caused by motorized 9 in the West are often magnified in developing nations. Pollution-control measures are either not strict or non-existent, leading to choking clouds of smog. Gasoline still contains lead, which is extremely poisonous to humans. Movement in some cities comes to a virtual standstill as motorized traffic competes with bicycles and pedestrians. 10 pollution and traffic jams, auto safety is a critical issue in developing nations.

以下对静定结构内力的论述,哪项正确

A. 温度的变化会引起杆件内力的变化
B. 支座的不均匀沉陷会引起杆件内力的变化
C. 杆件长度的制作误差不会引起杆件内力的变化
D. 如仅有一根杆件破坏,该结构尚能继续承受荷载

简支于柱顶的静定钢筋混凝土屋架(非预应力),如仅将下弦配筋增加一倍,问在同样节点荷载作用下,下弦内力有何变化(忽略配筋增加后自重增加的影响)

A. 减少一半
B. 不变
C. 增加一倍
D. 不确定

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