影响出厂铅蓄电池容量的因素，主要是（）及使用方面的因素。A、温度因素 B、湿度因素

下列四幅图描述了某商品的价格（P）、需求量（D）、价值量（V）以及生产该商品的社会劳动生产率（L）之间的关系，正确的是(    )

A.①→③→④     B. ②→①→③     C. ①→②→④      D. ②→④→③

甲、乙两队人数的比是7：8，如果从甲队派30人去乙队，那么甲、乙两队人数的比是2：3．甲、乙两队原来各有多少人？

B

Taste is such a subjective matter that we don’t usually conduct preference tests for food．The most you can say about anyone’s preference is that it’s one person’s opinion．But because the two big cola companies-Coca-Cola and Pepsi Cola-are marketed so aggressively, we’ve wondered how big a role taste preference actually plays in brand loyalty．We set up a taste test that challenged people who identified themselves as either Coca-cola or Pepsi fans: Find your brand in a blind tasting．

We invited staff volunteers who had a strong liking for either Coca-Cola Classic or Pepsi, Diet Coke, or Diet Pepsi．These were people who thought they’d have no trouble telling their brand from the other brand．

We eventually located 19 regular cola drinkers and 27 diet cola drinkers．Then we fed them with four unidentified samples of cola one at a time, regular colas for the one group, diet versions for the other．We asked them to tell us whether each sample was Coke or Pepsi; then we analyzed the records statistically to compare the participants’ choices with what mere guesswork could have accomplished．

Getting all four samples right was a tough test, but not too tough, we thought, for people who believed they could recognize their brand．In the end, only 7 out of 19 regular cola drinkers correctly identified their brand of choice in all four trials．The diet-cola drinkers did a little worse-only 7 out of 27 identified all four samples correctly．

Both groups did better than chance would predict, but nearly half the participants in each group made the wrong choice two or more times．Two people got all four samples wrong．Overall, half the participants did about as well on the last round of tasting as on the first, so tiredness, or taste burnout, was not a factor．Our preference test results suggest that only a few Pepsi participants and Coke fans may really be able to tell their favorite brand by taste and price．

41．According to the passage the preference test was conducted in order to ________．

A．show that a person’s opinion about taste is mere guesswork

B．compare the ability of the participants in choosing their drinks

C．find out the role taste preference plays in a person’s drinking

D．reveal which cola is more to the liking of the drinkers

42．The statistics recorded in the preference tests show that________．

A．there is not much difference in taste between Coca-Cola and Pepsi

B．few people had trouble telling Coca-Cola from Pepsi

C．people’s tastes differ from one another

D．Coca-Cola and Pepsi are people’s two most favorite drinks

43．It is implied in the first paragraph that________．

A．the competition between the two colas is very strong

B．blind tasting is necessary for identifying fans

C．the purpose of taste test is to promote the sale of colas

D．the improvement of quality is the chief concern of the two cola companies

44．The underlined word “burnout” here refers to the state of________．

A．being seriously burnt in the skin           

B．being badly damaged by fire  

C．being unable to burn for lack of fuel     

D．being unable to function because of too much use

45．The author’s purpose in writing this passage is to________．

A．emphasize that taste and price are closely related to each other

B．recommend that blind tasting be introduced in the quality control of colas

C．show that taste preference is highly subjective

D．argue that taste testing is an important marketing strategy

根据《社会保险费申报缴纳管理规定》规定，社会保险经办机构可以根据查询结果向所属的社会保险行政部门申请作出划拨社会保险费的决定，并提交下列哪些材料（）以及社会保险行政部门要求提供的其他材料。

A.用人单位名称、法定代表人、地址、联系方式

B.用人单位开户银行、户名及账号

C.申请划拨的事实、理由及依据

D.申请划拨的社会保险费数额

建筑机械故障零件修理法中，最主要、最基本的方法是（）。

A.机械加工

B.焊接

C.压力加工

D.胶接