【单选题】听力原文:M: I think I've got this experiment set up right now. W: You only think it's right? In chemistry, you've got to be sure. Q: What does the woman imply? (17)
A.
He should do the experiment later.
B.
He must extremely careful.
C.
She is willing to do the experiment for him.
D.
She's sure he is not right.
【简答题】常用的术区隔离方法有 _________、 和 ___________________。
【多选题】下列关于测量准确度的说法,正确的是( )。
D.
准确度的值无法准确给出,但可以说准确度高或低
【单选题】现在我们常用“阳春白雪”和“下里巴人”指代高雅和通俗的文艺作品。请问这两个成语最初指的是( )。
【多选题】下列关于测量准确度的说法,正确的是( )。
D.
准确度的值无法准确给出,但可以说准确度高或低