下列属于实践活动的有（ ）

【名词&注释】

社会主义和谐社会(socialist harmonious society)、阶级斗争(class struggle)、科学实验(scientific experiment)、人与自然关系(relationship between man and nature)、爱因斯坦(einstein)、决定性(decisive)、化学家(chemist)、资本主义再生产(capitalist reproduction)

[多选题]下列属于实践活动的有（ ）

A. 国家工作人员从事行政管理
B. 阶级斗争
C. 爱因斯坦进行思维实验
D. 化学家^(chemist)进行化学实验

查看答案&解析

举一反三：

[多选题]我们要建设的社会主义和谐社会包括

A. 社会关系的和谐
B. 人与自然关系的和谐
C. 中国与外国关系的和谐
D. 党与党关系的和谐

[单选题]资本主义再生产^{(capitalist reproduction)}的周期一般包括危机、萧条、复苏和高涨四个阶段。其中决定性^(decisive)阶段是

A. 危机阶段
B. 萧条除段 =_=
C. 复苏阶段
D. 高涨阶段

[单选题]根据下列文章，回答26～30题。It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—or at least confirm that he’s the kid’s dad. All he needs to do is shell out $30 for a paternity testing kit (PTK) at his local drugstore—and another $120 to get the results.

A. More than 60,000 people have purchased the PTKs since they first became available without prescriptions last years, according to Doug Fogg, chief operating officer of Identigene, which makes the overthecounter kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2500.
B. Among the most popular : paternity and kinship testing , which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption. DNA testing is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family’s geographic roots.
D. But some observers are skeptical, “There is a kind of false precision being hawked by people claiming they are doing ancestry testing,” says Trey Duster, a New York University sociologist. He notes that each individual has many ancestors—numbering in the hundreds just a few centuries back. Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which is passed down only from mothers. This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other greatgrandparents or, four generations back, 14 other greatgreatgrandparents.
E. Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. Databases used by some companies don’t rely on data collected systematically but rather lump together information from different research projects. This means that a DNA database may have a lot of data from some regions and not others, so a person’s test results may differ depending on the company that processes the results. In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer review or outside evaluation.
F. 第 26 题 In paragraphs 1 and 2 , the text shows PTK’s
G. easy availability.
H. flexibility in pricing.
I. successful promotion.
J. popularity with households.

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