The doctors are ________ about the guidelines under which they can carry out euthanasia.
正确答案： B
本题解析：
本题考查的是短语区分。 A.不休息地，连续地; B.不知所措，茫然，不了解; C.任意的，随便的; D.最后，终于。句意：医生们不了解执行安乐死的准则。
What are the key features of a research paper?
What are the characteristics of good writings?
How many parts does a science and technology paper consist of? What are they?
How many forms can articles be roughly divided into?what are they?
How many parts is an article usually composed of? What are they?
What are the paragraph qualities?
句子写作：My presentation seemed to go well.
句子写作：The house ____is still standing.
句子写作：The judge had a hard time deciding___________________.
