四六级考试

【单选题】 According to the author, the importance of green-space in the urban environment______.
A．is still unknown
B．is usually neglected
C．is being closely studied
D．has been fully recognized

网考网参考答案：D
网考网解析：
根据第一段尤其是本段第二句“Fortunately it is no longer necessary that every lecture or every book abut this subject has to start with the proof of this idea”，就可以推断出[D]为正确答案，而 [A]和[B]与文章内容相反。另外，根据“The recognition of the importance Of green-spaces in the urban environment is a first step on the right way．This does not mean，however，that sufficient details are known about the functions of green-space”，便可以断定[C]也不对。 查看试题解析出处>>