考研习题练习

考研每日一练(2019/1/7)
1题:A.push
B.pull
C.drag
D.toss
【单选题】:      

2题:There are many reasons why food fads have continued to flourish. Garlic has long been touted (兜售) as an essential ingredient of physical prowess (能力) and as a flu (1) , squash has been thought by some to cure digestive disorders, and red pepper has been (2) to promote endurance. The natural human desire for a simple solution to a difficult problem (3) the stage for promoting miraculous potions (饮剂), pills and combination of chemicals. The (4) individuals who eagerly embrace any second-hand information with scientific overtones (暗示) provide the foundation for healthy business enterprises.
A、person who has never crossed the (5) of a health food store may be astonished, (6) or overjoyeD、Countless elixirs (万应灵), herbs, powders and other fascinating extracts are only a (7) of the high-profit selection. The available literature includes pamphlets extolling (赞扬) the amazing return of youth one can (8) while drinking a potion filled with tropical weeds, as well as volumes (9) the reader of an almost (10) longevity.
The store is directly keyed to arouse visitors’ (11) over their health and to (12) on real and imagined problems by offering solutions that, (13) , cost more than the customers may be able to (14) Health food store patrons are often cajoled (劝诱) into buying tonics (补药) that promise to make the functioning of healthy organs even better, (15) whether an improvement is (16) for. Promotion of expensive products that consumers do not actually need takes (17) initiative and insight. (18) occasion, there may even be some slight (19) for truth in an entrepreneur’s (20) to cure customer of ills—for a price.
[A] anticipate[B] aspire[C] long[D] predict
【单选题】:      

3题:
【分析题】:

4题:将两封信等可能地投入编号为Ⅰ,Ⅱ,Ⅲ三个邮筒中,设X,Y分别表示投入第Ⅰ号、第Ⅱ号邮筒中信的数目,求:
Y=0时X的条件分布律;
【分析题】:

5题:《灵枢经·营卫生会》所说的“中焦如沤”是比喻
A.脾气散精的功能状态
B.胃主受纳的功能状态
C.小肠泌别清浊的功能状态
D.水谷精微的弥漫布散状态
【单选题】:      

Generally speaking, aBritish is widely regarded as a quiet, shy and conservative person who is{{U}} (1) {{/U}}only among those with whom he is acquainteD、When a stranger is at present, he often seems nervous, even{{U}} (2) {{/U}}. You have to take a commuter train any morning or evening to (3) the truth of this.
Serious-looking businessmen and women sit reading their newspapers or dozing in a comer; hardly anybody talks, since to do so would be considered quite{{U}} (4) {{/U}}.
{{U}} (5) {{/U}}, there is an unwritten but clearly understood code of behavior which, once broken, makes the offender immediately the object of{{U}} (6) {{/U}}.
It has been known as a fact that aBritish has a{{U}} (7) {{/U}}for the discussion of their weather and that, if given a chance, he will talk about it{{U}} (8) {{/U}}.
Some people argue that it is because theBritish weather seldom{{U}} (9) {{/U}}forecast add hence becomes a source of interest and{{U}} (10) {{/U}}to everyone.
This may be so.{{U}} (11) {{/U}}aBritish cannot have much{{U}} (12) {{/U}}in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong{{U}} (13) {{/U}}a cloud over theAtlantic brings rainy weather to all districts! The man in the street seems to be as accurate -- or as inaccurate as the weathermen in his{{U}} (14) {{/U}}.
Foreigners may be surprised at the number of references{{U}} (15) {{/U}}weather that theBritish{{U}} (16) {{/U}}to each other in the course of a single day. Very often conversational greetings are{{U}} (17) {{/U}}by comments on the weather. "Nice day, isn’t it " "Beautiful!" may well be heard, instead of "Good morning, how are you "Although the foreigner may consider this exaggerated and comic, it is{{U}} (18) {{/U}}pointing out that it could be used to his advantage. If he wants to start a conversation with aBritish but is at a loss to know{{U}} (19) {{/U}}to begin, he could do well to mention the state of the weather. It is a safe subject which will{{U}} (20) {{/U}}an answer from even the most reserved of theBritish.
6题:
A.propositions
B.predictions
C.proposal
D.prophecy
【单选题】:      
7题:电话公司有300台分机,每台分机有6%的时间处于与外线通话状态,设每台分机是否处于通话状态相互独立,用中心极限定理估计至少安装多少条外线,才能保证每台分机使用外线不必等候的概率不低于0.95
【分析题】:

8题:急性心梗患者绝对卧床至少
A.2周
B.2天
C.1周
D.24小时
E.1月
【单选题】:        

9题:与视杆细胞相比,视锥细胞作用的最重要特征是
A.对光刺激敏感
B.能产生感受器电位
C.含有11-顺视黄醛
D.具有辨别颜色的能力
【单选题】:      

10题: According to Mr. Burrows, the apprenticeship scheme
A.is the only way to begin a career in his generation.
B.can help him find the qualified staff he wanted.
C.is the most important factor to the company's success.
D.secures his business to confront no problems all along.
【单选题】:      

 

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