选择题：There is a lot of evidence stress ________is partly responsible for the disease

题目内容：

There is a lot of evidence stress ________is partly responsible for the disease

A.what

B.which

C.as

D.that

参考答案：【答案仅供学习，请勿对照自行用药等】

She insisted that the seats ________in advance

She insisted that the seats ________in advanceA.bookedB.be bookedC.are bookedD.were to book

分类：习题答案题型：选择题

An interesting project called Blue Zones is recording the lifestyle. secrets of the communities with

分类：习题答案题型：选择题

由于群落交错区生境条件的特殊性、异质性和不稳定性，其中生物更加多样化。( )此题为判断题(对，错)。

分类：习题答案题型：选择题

当系统内组分较多而且彼此功能较协调时，系统的____________能力较强，系统稳定性较大。

分类：习题答案题型：选择题

陆地生态学和水域生态学的划分标准是( )A.生物类群B.生物栖息场所C.生态学与其他科学的交叉D.应用领域

分类：习题答案题型：选择题