石灰浆体的硬化,表层以干燥硬化为主,内部碳化作用为主。()
参考答案:错
查找药物信息的正确顺序是()
A.一级信息源→二级信息源→三级信息源
B.二级信息源→三级信息源→一级信息源
C.三级信息源→二级信息源→一级信息源
D.三级信息源→一级信息源→二级信息源
E.二级信息源→一级信息源→三级信息源
完成句子
1. I don't know what he's doing.___(我也不关心).
2. He___(不可能去)to Beijing last night.I saw him just now.
3.____(毫无疑问) that he will win the match.
4. She insisted that she___(不需要帮助).
5. Though the experiment wasn't very successful, we ___(高度评价)his work in the experiment.