药品生产企业厂房的选址要求是什么？
参考答案：
应当根据厂房及生产防护措施综合考虑选址，厂房所处的环境应当能够最大限度地降低物料或产品遭受污染的风险。
看图片，完成句子。
1. Yesterday he ______ ______ garnes at home.
2. Now he ______ ______ ______ ______ in the library.
3. Tomorrow he ______ _______ _______ ______ _______ in the playground.
.
—I can’t find Mr. Smith. Where did you last see him this morning?
—It was in the hotel _______ he stayed.
A．that
B．where
C．which
D．since
