【单选题】
5. Without your help, I couldn’t ______ the details ______.
【单选题】
8. Economy seems to be the only ______ to the financial problem.
【单选题】
5. He gave no________that he was ready tocompromise.
【单选题】
5.Nobody would believe his words though he said he was ______ of the crime.
【单选题】
This bottle is nearly empty; you _____ a lot.
【单选题】
4.Mary doesn’t feel like_________tennis today because she feels tired.
【判断题】
?常用语有限截词,代表字符为0-1个字符
【判断题】
PubMed除了有主题检索途径还有分类检索途径。
【判断题】
PubMed在执行截词检索和短语精确检索时均会关闭自动词语匹配功能。
【判断题】
CBM数据库可查看主题词的树状结构,并可更换主题词检索。