【单选题】施工机械的选择一般说是以满足( )的需要为基本依据。
【单选题】How does Amy Wilkins of the Education Trust view minority students' failure to get a degree?
A.
Universities are to blame.
B.
Students don't work hard.
C.
The government fails to provide the necessary support.
D.
Affirmative action should be held responsible.
【判断题】After you graduate from your university, your degre can not be taken away from you.
【多选题】关于酸乳发酵剂乳酸菌的说法正确的是( )。
【单选题】施工机械的选择一般来说是以满足( )的需要为基本依据。
【单选题】21 下列化合物中除( )外,其余均为芳香胺。