题目

小致在家测量土豆的密度，找来一个正方体木块(不吸水)，一个形状规则的容器，还有待测土豆(不吸水)，刻度尺，具体实验步骤如下： （1） 将正方体木块放入装有适量水的容器中，如图甲，待其静止后用刻度尺测出露出水面的高度为 。将土豆放在木块中央，如图乙，静止后测出木块露出水高度为 。比较甲乙两次实验,分析可知木块所受浮力大小与有关. （2） 用质量可忽略不计的细线将土豆系在木块中央，倒放在同一容器中，如图丙。 Clothes play a critical part in the conclusions we reach about who people are, who they are not, and who they would like to be. They tell us a good deal about the wearer′s background, personality, status, mood, and social outlook. 　　Since clothes are such an important source of social information, we can use them to influence people′s impression of us. Our appearance takes on particular significance in the initial phases of interaction. An elderly middle-class man or woman may be alienated (疏远) by a young adult who is dressed in an unconventional manner, regardless of the person′s education, background, or interests. 　　People tend to agree on what certain types of clothes mean. Adolescent girls can easily agree on the lifestyles of girls who wear certain outfits (套装), including the number of boyfriends they likely have had and whether they smoke or drink. Newscasters and announcers on TV are considered to be more convincing, honest, and competent when they are dressed conservatively. College students who view themselves as taking an active role in their interpersonal relationships say the costumes they wear change the way they feel about themselves and how they act. Perhaps you have used clothing to gain confidence when you face a stressful situation, such as a job interview, or a court appearance. 　　In the workplace, men have long had well-defined role models for achieving success. It has been otherwise for women. A good many women in the business world are uncertain about the appropriate mixture of “masculine”（男性）and “feminine”（女性）characteristics they should convey to men. 　　Male administrators tend to judge women more favorably for managerial positions when the women display less “feminine” grooming (打扮)— shorter hair, moderate use of make-up, and plain tailored clothing. As one male administrator confessed, “An attractive woman is definitely going to get a longer interview, but she won′t get a job.” 57. According to paragraph two, an elderly middle-class man and     unconventionally-dressed young man are unlikely to____. A. understand each other's lifestyle    B. share the same background or interests    C. influence their impressions of each other    D. interact in a positive way 58. The author uses the newscasters' example to show the idea that____. A. certain clothing gives people more confidence B. clothes have nothing to do with one's abilities C. we tend to label people by their clothes D. competent people always dress conventionally 59. Men's professional clothing can best be described as "_____". A. conventional                B. individualistic C. out-of-date                 D. changeless 60. How should professional women dress according to the passage? A. They must be dressed conservatively. B. They don't have a certain dressing style to follow. C. They choose either masculine or feminine clothing. D. They can't wear unconventional outfits.