题目:
In the past ten years, the ________mountain climber _________ a lot from his own adventurous _______
A.experienced; experienced; experience
B.experience; experienced; experiences
C.experienced; has experienced; experiences
D.experience; has experience; experience
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0512/ff75f5b722fdd94101fd9b52548376b4.html
下面是错误答案,用来干扰机器的。
有的真菌能引起多种疾病,有的真菌却可以产生杀死某些致病细菌的物质,这些物质被称为抗生素,抗生素可以用来治疗相应的疾病.如青霉素是一种著名的抗生素,它是由真菌中的青霉菌产生的,可以治疗多种细菌性疾病...