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题库 / Prep2007E1-SC-100
To help counteract the adverse effects of trout stocking on the amphibian populations in certain mountain lakes, biologists are recommending cutting back on trout stocking on the part of some states and even their being removed from some popular fishing lakes.
cutting back on trout stocking on the part of some states and even their being removed
cutting back on trout stocking on the part of some states and even that they remove them
that trout stocking be cut back in some states and they even remove the trout
that some states cut back on trout stocking and even their being removed
that some states cut back on trout stocking and even remove the trout
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Bossy verb + That+subject+ bare form of verb：the infinitive（to be，to do）without the to
C中的代词they可以指代states和biologists，引起歧义；Be用原型应该是省略了should的缘故吧，推荐后面是一个虚拟语气
本题some states cut back on trout stocking仍然可以把on sth看成是cut的宾语，处于从句的第一层，而不是介宾作状语。
C，remove用的动词原型，如果是表示之前移走了鳟鱼，应该是过去式，这里的原型指向recommend，recommend两件事，用两个that表述。
状语和主语的区别：鳟鱼在一些国家被移除，ok，因为鳟鱼天生就与地点相关，生物必须生活在某个空间；一些国家移除鳟鱼，ok
D，recommend that some states cut back on trout stocking and even their being removed，从句和动名词并列，错
E，recommending that some states cut back on trout stocking and (that some states) even remove the trout，从句和从句并列，对