But two hurdles stand in the way of Russia’s realizing its space dreams: a collapsing public-education system and a brain drain that for decades has been siphoning off the country’s highly trained engineers as they move to better-paying jobs in the West.
[A]All people develop attitudes on public issues: some may not be interested in and others simply may not hear about them. The attitudes that are formed maybe held for various [B]reasons. Thus, four men may all be opposed to higher property taxes [C]but for very different reasons. One man may be for higher taxes in principle, but he [D]opposes them because he is having trouble paying the mortgage on his house.
Blues comes from that sense of not being at the centre, “from nothingness? From want, from desire,” as W. C. Handy put it. Bessie became the incarnation of that absence, darkness, death”.
Despite all the refinements of subtlety and the dogmatism of learning, it is by the common sense and compassion of readers that are uncorrupted by the prejudices of some opinionated scholars（ ）the characters and situations in medieval and Elizabethan literature, as in any other literature, can best be judged.
Inductive reasoning involves making useful generalization about the environment [A]as a whole,based on a necessarily limited number of observations. [B]As so, it is an important tool that people [C]use to build the models of reality they need to function effectively. [D]While conclusions can be wrong if observations are faulty or are drawn from an unrepresentative sample, if properly used, it can be incredibly powerful.
One major obstacle [A]to economic development is population growth. [B]The populations of most developing countries grow at a rate much faster than [C]that of industrialized countries. One reason for this growth is the high crude birth-rate—the number of [D]live births per 1,000 people.
