1.B,c,d,e are all irrelevent to the topics or can not deduced from the content.the author pointed that "otherwise,the lack of diversity of genetic.......",so A is the correct answer. 2.the first "vitamin deficiency" refers to a kind of deficiency to a special group-the pregnant women,but the second refers that to common people. 3.you can use the way " if ...not ,then weaken...".as in the problem,if the intensify of the negotiation does not the outcome ,then the conclusion " the party with unlimited aims will succed "is wrong. 4.the function of the placebo is to instill the patients a positive attitude towards their prospects.the author said the function of the phisician is the same as the placebo ,so B is the correct answer,A is a very easily confused select,but what is said in A can not conluded from the pragraph.
suggestions:my friends,maybe you think the criticl reasoning is very difficult,but it is acctually not .Trying to understand the correct answer by frequently contrast and excluding and reading the problems you do wrong often are very good means for you to improve your mind in resolving the problem. Even if you can't get the correct answer when you tqke your test,do not hesitate to accept your first feeling. good luck.fficeffice" /> |