快上考场了，问几道PREP题~~~

每道题都是排除到最后剩下两个选项，各位NN帮忙看看错的选项错在哪里了？BIG THX~~~（划线部分是我选的，下面标注的是正确选项）

The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible—better control, if not eradication, of the other infections such as measles and yaws.

正确的是Something they had not previously considered possible—better control, if not eradication, of such infections as

The budget for education reflects the administration’s demand that the money is controlled by local school districts, but it can only be spent….

The budget for education reflects the administration’s demand that the money is controlled by local school districts, but it can only be spent….

正确的是the money be controlled by local school districts, but it allows them to spend the money only on

 The three women, liberal activists who strongly support legislation in favor of civil rights and environmental protection, are consistently receiving the unqualifying support of labor.

 The three women, liberal activists who strongly support legislation in favor of civil rights and environmental protection, are consistently receiving the unqualifying support of labor.

正确的是have consistently received the unqualified support of labor.

另外问一下derive的用法，我查字典好像A derives from B 和A is derived from B都是A源于B的意思，然后某一道题里出现了

第二题：

demand后面是虚拟语气，所以要用be, 类似的有request, ask之类的；至于后面的it allows them 里面的it是替代the budget for education的，them是替代administration

关于derive的用法，我的语感是 A derives C (and D) from B.

变化后的用法就有: C is derived from B; 

还有类似的：A derives from B C (and D) - 因为Ｃ和Ｄ太长，所以用倒装，把Ｂ放前面。