皮皮学，免费搜题
登录
搜题
【单选题】
下列对于甲苯歧化生产二甲苯的工艺条件说法不正确的是A.
原料中的水会影响催化剂的活性，需要脱除
B.
为了增产二甲苯，可在甲苯原料中加入 C 9 芳烃
C.
氢烃比一般控制在 10 左右
D.
液体空速越大越好
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】The proportion of families buying furniture, household goods and cars by hire purchase is higher in the UK than in the USA.
A.
正确
B.
错误
【简答题】正四棱锥 中, ,则它的体积为 ____.
【单选题】A great deal of the knowledge we have about household goods【C1】______ largely from the advertisements we read. Advertisements introduce us to new products or remind us of the existence of ones we alre...
A.
obtains
B.
requires
C.
gains
D.
derives
【简答题】exclamation mark
【简答题】exclamation mark
【单选题】The household goods __________ of great concern to the family with a new house.
A.
are
B.
is
C.
has been
D.
had been
【简答题】正四棱锥 中, ,则它的体积为 .
相关题目：
参考解析：
知识点：
题目纠错 0
发布
