请教2道语法题

xuyingkitty

新东方蓝皮书上的。划线部分是正确答案，先谢了！
P17. 1. Constance Homer, chief of the United States
government’s personnel agency, has recommended that the use of any dangerousor illegal drug in the five years prior to application for a job be grounds fornot hiring an applicant.这句话是什么意思？

P18. 4. One of Ronald Reagan’s first actsas President was to rescind President Carter’s directive prohibiting thesale to other countries of any chemical banned on medical grounds in the United States.
(A) that any chemical banned on medicalgrounds in the United States be prohibited from sale to other countries 为什么不对？答案为什么对啊。。。

花子落落

第一句话，就是在提交工作申请前五年用了drug可以作为不被录取的根据。
第二句，有几个错误吧，一是prohibit有名词形式就不要用v-ing形式，还有应该是prohibit from doing。