【单选题】如果文档很长,用户可以用Word 2010提供的( )技术,同时在两个窗口中滚动查看同一文档的不同部分。
【单选题】在关系模型中,实现“关系中不允许出现相同的元组”的约束是通过。
【简答题】The novel pneumonia virus outbreak originated in China in December, 2019 is declared by WHO as a _____________________________________________(国际关注的突发公共卫生事件)
【单选题】What’s the Novel Coronavirus Pneumonia?
A.
It’s a crown for the queen.
B.
It’s an epidemic disease.
【单选题】China has adopted an open, transparent and responsible manner since the novel coronavirus pneumonia broke out, he said. Which of the following sentences has the same meaning of the word novel.
A.
This novel has been made into a film.
B.
Materials that undergo large elastic deformations can exhibit novel instabilities.
C.
This adaptation perfectly captures the spirit of Kurt Vonnegut's novel.
D.
The latter encodes a novel protein kinase with LIM domains and is strongly expressed in the brain.
【单选题】在关系模型中,实现"关系中不允许出现相同的元组"的约束是通过()。
【单选题】What are the symptoms of the novel coronavirus pneumonia?
B.
Fever, cough, short of breath
【单选题】饱和黏土层在单面排水情况下的固结时间为双面排水情况下的 ( ) 。
【单选题】饱和黏性土层在单面排水情况下的固结时间为双面排水时的( )。
【单选题】饱和黏性土层在单面排水情况下的固结时间为双面排水的( )