MBA习题练习

MBA每日一练（2018/6/29）
第1、2、3、4题：Hostel buildings vary from cottage to castle. Most have been adapted to hostel use though some have been specially built for the purpose. As it is impossible to put identical facilities into such a wide range of buildings, hostels have been divided into four grades so that members pay an overnight fee roughly corresponding to the facilities provide. Nevertheless, whatever the architectural differences, all hostels offer accommodation with the following facilities.
Sleeping In dormitories normally with 2-tier beds. Mattresses, blankets and pillows are provided but you take your own sheet, sleeping bag or hire a freshly laundered at the hostel.
Washing. Washing facilities are provided, and at hostels where stated there are also baths or showers. You provide your own toilet articles including soap and towel.
Common Room. All hostels have a common room. At some hostels this also serves as a dining-room.
Meals. At most hostels, hot meals can be provided by the warden. (The Hostel Details state where this is not the case.) Meals cannot be guaranteed unless paid for in advance: Lunch packets should also be booked in advance whenever possible: it is easier to provide appetizing fare when the warden knows beforehand how many lunch packets will be requireD.(Please note that lunch packets do not include any drinks.) Breakfast is usually cereal or porridge and a cooked dish followed by bread and marmalade（果酱） and teA.Evening meal is a 3-course meal usually consisting of soup, a meat course, a sweet or pudding and teA.A number of hostels now have a cafeteria service or provide snack meals.
Members’ Kitchen. At all hostels except some temporary hostels there are facilities for members to cook their own meals, including cooking points, pots and pans. There is no charge for the use of these facilities.
Small Store. Where the Hostel Details state that there is a small store it means there are sufficient foodstuffs on sale to enable self-cookers to prepare a meal. The following list of a typical small store gives you a good idea of what you can buy, though every small store may not necessarily offer you these exact items. If ordered in advance: milk, bread, potatoes, margarine. Without ordering in advance: tins of beans and/or spaghetti, soup (or packets), condensed or evaporated milk, meat or meat pudding, fish, vegetables, fruit, steamed puddings. Small jars of jam and marmalade. Small packets of tea, coffee, sugar and corn-flakes or other cereal. Matches. Chocolate. Packets of crisp bread or oat-cakes and dehydrated potato powder.
Cutlery and crockery(are supplied whether you have meals provided or prepare your own.
25. The price of a night’s accommodation
A.Is related to the kind of building in which members stay.
B.Varies according to the region.
C.Is the same in all hostels.
D.Depends on standards of convenience and comfort.
26. People spending a night in a hostel
A.Have to use a sheet sleeping bag.
B.Are provided with a free sheet sleeping bag.
C.Have to bring their own sheet sleeping bag.
D.Must use only a newly washed sheet sleeping bag.
27. Meals in hostels
A.May be available in the evening to those who arrive early enough.
B.Are provided three times a day
C.Have to be booked in advance.
D.Are cooked only for hostellers who arrive before 6 p. m.
28. All hostels provide
A.Plates, knives and forks.
B.Certain kinds of foods in packets.
C.Bread and milk for self-cookers.
D.Tins of beans and of soup.
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第5题：设．若β2是β1，β3的等差中项，则α=( )．
A．
B．
C．
D．
E．
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第6题：在20世纪60年代，对灵长类动物行为的长期研究经常用被认为很理想的小绢猴作为实验对象。因为它们只需用小笼子养，且繁殖频繁，长得又快。实地研究很少进行，因为那样做很费钱也很困难。雄雌小绢猴被成对地关在同一笼中，因为如果不这样，在不相关的雄性小绢猴之间会爆发严重的争斗。根据有繁殖发生这一事实，小绢猴被视为是单一配偶制的。
研究者们关于小绢猴单一配偶制的观点基于下列哪个有疑问的假设


A．制止雌性间的争斗能保护其共同的基因遗传。
B．成年雄小绢猴负责幼儿的抚养。
C．小绢猴的社会制度要求单一的配偶搭配。
D．雄性小绢猴在野外不显示出好斗的行为。
E．将小绢猴笼养的方式不影响它们的交配行为。
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第7题：已知点P分有向线段
所成的比为
，且点P1，P的坐标分别是(-3，2)，(1，-2)，则点P2的坐标( )


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第8题： a，b，c，d是不全相等的任意实数，若x1=a2-bc，x2=b2-cd，x3=c2-da，x4=d2-ab，则x1，x2，x3，x4四个数( )
A．都大于零
B．至少有一个大于零
C．至少有一个小于零
D．都小于零
E．(E) 以上都不对
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第9题：法学院的女生比男生多，在2009年下学期的数学期末考试中，法学院不及格的学生超过了一半。
如果上述断定都是真的，以下哪项也必然是真的


A．女生不及格的比男生不及格的多。
B．女生不及格的比男生及格的多。
C．女生及格的比男生不及格的多。
D．女生及格的比男生及格的多。
E．(E) 女生及格的和男生不及格的一样多。
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第10题：欧洲的舞蹈批评家：美国芭蕾水平的提高是由于现在有更多的欧洲人在美国教授芭蕾。在美国的芭蕾教师中，在欧洲出生并接受训练的教师比例上升了。我知道这一点是因为在我去年去纽约时，我所遇见的欧洲来的芭蕾教师，即在欧洲出生并接受训练的教师，比从前要多。
下列哪一项指出了该舞蹈批评家在推理中所使用的一项有疑问的假设


A．该论述忽视了一种可能，即美国的一些芭蕾教师可能出生在欧洲但却是在美国接受的训练。
B．该论述假设该批评家在其去年去纽约时遇见的教师群在这类教师中具有典型代表性。
C．该论述假设美国的芭蕾教学水平比欧洲的要高。
D．该论述没有考虑促使美国芭蕾水平提高的其他可能原因。
E．该论述假设在欧洲出生并接受训练的芭蕾教师一般比在美国出生并接受训练的芭蕾教师天赋更高。
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第11题：在一次英语考试中，全班平均75分，女生的平均分比男生高14分，班里男生人数比女生多80%，则男生的平均分为( )


A．65
B．68
C．70
D．71
E．(E) 72
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第12题：大山中学所有骑自行车上学的学生都回家吃午饭，因此，有些家在郊区的大山中学的学生不骑自行车上学。
为使上述论证成立，以下哪项关于大山中学的断定是必须假设的


A．骑自行车上学的学生都不住在郊区。
B．回家吃午饭的学生都骑自行车上学。
C．家在郊区的学生都不回家吃饭。
D．有些家在郊区的学生都不回家吃饭。
E．有些不回家吃饭的学生家不在郊区。
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第13题：妈妈要带两个女儿去参加一个晚会，女儿在选择搭配衣服。家中有蓝色短袖衫、粉色长袖衫、绿色短裙和白色长裙各一件。妈妈不喜欢女儿穿长袖衫配短裙。
以下哪种是妈妈不喜欢的方案


A．姐姐穿粉色衫，妹妹穿短裙。
B．姐姐穿蓝色衫，妹妹穿短裙。
C．姐姐穿长裙，妹妹穿短袖衫。
D．妹妹穿长袖衫和白色裙。
E．姐姐穿蓝色衫和绿色裙。
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