【单选题】松鼠在树干中打洞吮食树木的浆液。因为树木的浆液成分主要是水加上一些糖分,所以松鼠的目标是水或糖分。又因为树木周边并不缺少水源,松鼠不必费那么大劲打洞取水。因此,松鼠打洞的目的是为了摄取糖分。以下哪项最为恰当地概括了上述论证方法?( )
E.
通过否定某种现象存在必要条件,来判定此种现象不存在。
【单选题】Crosby's recent study of American historical demography is blithely based on the reconstitution of the records of single parishes, a method that often excludes migrants. Moreover, it is troublesome fo...
A.
summarizing the findings of a study
B.
placing new research within its historical context
C.
evaluating the methodology of a historian
D.
comparing various demographical techniques
E.
establishing categories
【单选题】朱红:红松鼠在糖松的树皮上打洞以吸取树液。既然糖松的树液主要是由水和少量的糖组成,大致可以确定红松鼠是为了寻找水或糖。水在松树生长的地方很容易通过其他方式获得。因此,红松鼠不会是因为找水而费力地打洞,它们可能是在寻找糖。 林娜:一定不是找糖而是找其他什么东西,因为糖松树液中糖的浓度太低了,红松鼠必须饮用大量的树液才能获得一点点糖。 由此可以推出,朱红的论证是通过以下哪种方式展开的?
A.
陈述了一个一般规律,该论证是运用这个规律的一个实例
C.
根据被清楚理解的现象和未被解释的现象间的相似性进行类推
D.
排除对一个被观察现象的一种解释,得出了另一种可能的解释
【简答题】What does the recent study say? The recent study says that 1.______ people today are 2.______ worldwide.
【单选题】朱红:红松鼠在糖松的树皮上打洞以吸取树液。既然糖松的树液主要是由水和少量的糖组成,大致可以确定红松鼠是为了寻找水或糖。水在松树生长的地方很容易通过其他方式获得。因此,红松鼠不会是因为找水而费力地打洞,它们可能是在寻找糖。 林娜:一定不是找糖而是找其他什么东西,因为糖松树液中糖的浓度太低了。红松鼠必须饮用大量的树液才能获得一点点糖。 朱红的论证是通过以下哪种方式展开的?( )
A.
陈述了一个一般规律,该论证是运用这个规律的一个实例
C.
根据被清楚理解的现象和未被解释的现象间的相似性进行类推
D.
排除对一个被观察现象的一种解释,得出了另一种可能的解释
【单选题】Crosby's recent study of American historical demography is blithely based on the reconstitution of the records of single parishes, a method that often excludes migrants. Moreover, it is troublesome fo...
A.
summarizing the findings of a study
B.
placing new research within its historical context
C.
evaluating the methodology of a historian
D.
comparing various demographical techniques
E.
establishing categories
【简答题】A recent study confirmed the interconnectivity of different species, which many havealways known about. 查看材料
【单选题】The recent study has shown that people's attitudes towards protecting the environment are not with their behavior in daily life.
【单选题】Multivitamins Urged for All Pregnant Women A recent study in Tanzania found that when pregnant women took vitamins every day, fewer babies were born too small. Babies that weigh less than two and one-...