化学毒物的亚慢性毒性试验是毒理学中是研究化学物毒效应的基本试验，现拟对某化学物进行其亚慢性毒性评价，在实验设计、操作及评价中应该注意的问题如下
下列亚慢性毒性试验的观察指标中不包括

生产性粉尘的种类繁多，理化性状不同，对人体所造成的危害也是多种多样的。下列关于生产性粉尘引起的职业病病理性质的说法中，正确的是(    )。

患者，女，40岁。呕吐清水，胃部不适，食久乃吐，喜热畏寒，身倦，便溏，小便可，舌苔白，脉迟。治疗除取主穴外，还应加

感性认识和理性认识的根本区别在于（）。

周围型肺癌X线的特征是(    )。

李刚看到老师处分在课堂上捣乱的同学，他以后也不敢草率地完成作业或迟到了。李刚受到的是()

针灸治疗瘾疹，应主选的经穴是(     )

杆形卡环的特点是（  ）

Which of the following correctly describes the English phoneme [ð]?

Passage1

    Come on-Everybody's doing it. That whispered message, half invitation and half forcing, is  what most of us think of when we hear the words peer pressure. It usually leads to no good-drinking, drugs and casualsex. But in her new book Join the Club, Tina Rosenberg contends that  peer pressure can also be a positive forcethrough what she calls the social cure, in which organizations and officialsuse the power of group dynamics to help individuals improve their lives andpossibly the word.

    Rosenberg, the recipient of a Pulitzer Prize, offers a host of examples of the social cure inaction: In South Carolina, a state-sponsored antismoking program called RageAgainst the Haze sets out to make cigarette sun cool. In South Africa, an HIV-prevention initiative known as love Life  recruits young people to promote safe sexamong their peers.

     The idea seemspromising, and Rosenberg is a perceptive observer. Her critique of the lameness of many pubic-health campaigns is spot-on: they fail to mobilize peer pressure for healthy habits ,and they demonstrate a seriously flawed understanding of psychology.   "Dare to be different, please don't smoke!" pleads one bill board campaign aimed at reducing smoking among teenagers-teenagers, who desire nothing more than fitting in. Rosenberg argues convincingly that public-health advocates ought to take a page from advertisers, so skilled at applying peer pressure.

     But on the generaleffectiveness of the social cure, Rosenberg is less persuasive. Join the Clubis filled with too much irrelevant detail and not enough exploration of thesocial and biological factors that make peer pressure so powerful. The mostglaring flaw of the social cure as it's presented here is that it doesn't work very well for very long. Rage Against the Haze failed once state funding wascut. Evidence that the loveLife program produces lasting changes is limited andmixed.

     There's no doubt that our peer groups exert enormous influence on our behavior. An emerging bodyof research shows that positive health habits-as well as negative ones-spreadthrough networks of friends via social communication. This is a subtle form of peer pressure: we unconsciously imitate the behavior we see every day.

    Farless certain, however, is how successfully experts and bureaucrats can selectour peer groups and steer their activities in virtuous directions. It's likethe teacher who breaks up the trouble makers in the back row by pairing themwith better-behaved classmates. The tactic never really works. And that's theproblem with a social cure engineered from the outside: in the real world, asin school, we insist on choosing our own friends.

In the author's view, Rosenberg's book fails to_______.

乳牙根尖周病治疗成功的标准不包括（  ）