提高生产经营单位的安全生产管理水平,关键是要注意加强对人的管理,而提高本质安全的程度对抓好安全生产并不是十分重要的。
参考答案:错
—English has a large vocabulary, hasn't it?
—Yes. ______ more words and expressions, and you will find it easier to read and communicate.[ ]
A. Know
B. Knowing
C. To know
D. Known
下列不具有润肠通便功能的药物是:()
A.桃仁
B.柏子仁
C.杏仁
D.酸枣仁
E.火麻仁