第29题: [单项选择]The scientists have absolute freedom as to what research they think it best to _________. A. engage B. devote C. seek D. pursue 参考答案:D 答案解析:[汉译] 在研究方面,科学家们拥有绝对的自由。
[注释] 选项A“从事”后要跟有介词“in/upon/on”,例如:The work we are engaged on is a study of