一、长难句训练题

　　1、Creating a “European identity” that respects the different cultures and traditions which go to make up the connecting fabric of the Old Continent is no easy task and demands a strategic choice—that of producing programs in Europe for Europe.

　　2、The issue of whether life ever existed on the planet, and whether it persists to this day, has been highlighted by mounting evidence that the Red Planet once had abundant stable, liquid water and by the continuing controversy over suggestions that bacterial fossils rode to Earth on a meteorite from Mars.

　　3、It has also been proposed that just because we know so much about people intuitively, there has been less incentive for studying them scientifically: Why should one develop a theory, carry out systematic observations, or make predictions about the obvious?

　　4、You have all heard it repeated that men of science work by means of induction and deduction, that by the help of these operations, they, in a sort of sense, manage to extract from Nature certain natural laws, and that out of these, by some special skill of their own, they build up their theories.

　　5、Behaviorists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greater intellectual development.

　　二、长难句训练题解析

　　1、

　　解析：

　　句子的主干是Creating a “European identity” is no easy task and demands a strategic choice。第一个that是定语从句的关系代词，引导定语从句来修饰European identity;而第二个that即that of producing …，这个that 就是一个指示代词，指前文出现过的名词choice。which引导定语从句修饰different cultures and traditions。

　　参考译文：

　　不同的文化和传统把欧洲大陆编制成一体，要创造出一种尊重这些不同文化和传统的“欧洲品牌”绝非易事，需要人们做出战略性的选择，即选择在欧洲为欧洲做节目。