皮皮学，免费搜题
登录
搜题
【单选题】
Scientists are not thinking of using mussels to produce the super glue mainly because of ______.A.
the possible mass-production of the super glue
B.
their concern about the cost of collecting mussels
C.
their concern about the extinction of the species
D.
the world's limited demand for the super glue
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
【单选题】—What did John say about leaving the city? —He said he disliked the place so he had no _____ about leaving so soon.
A.
hopes
B.
regrets
C.
memories
D.
comments
【单选题】Little __ what others think.
A.
does he care about
B.
did he care about
C.
he cares about
D.
he cared about
【简答题】早期连锁企业的连锁方式是( )。
【简答题】A．He is optimistic about the next year's market. B．He is worried about the increase in food prices. C．He is not sure about the petrol prices. D．He is pleasant for the decrease in unemployment.
【单选题】A. He is optimistic about it. B. He is curious about it. C. He is sure about it. D. He is pessimistic about it.
A.
He is optimistic about it.
B.
He is curious about it.
C.
He is sure about it.
D.
He is pessimistic about it.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
