【单选题】对于DDR2-SDRAM内存,其读写数据的速度与外部总线速度的比值是( )
【简答题】DDR1 内存是 线的, DDR2 是 线的.
【单选题】根据交通部《公路工程质量事故等级划分和报告制度》的规定,在公路工程建设过程中死亡1人以上9人以下的事故属于( )重大质量事故。
【单选题】视听说中级 Unit 3 -1 Why do you think Tracy’s face is orange?
A.
She has a temperature.
B.
She has eaten too many oranges.
C.
She has eaten too many carrots.
【单选题】视听说中级Unit 1 4-2 Which one is true according to the video?
A.
Three ran towards him.
B.
Two men ran towards him.
【单选题】视听说中级Unit 1 4-1 Which one is true according to the video?
A.
All the men had buckets on their heads.
B.
Not all the men had buckets on their heads.
【判断题】视听说中级 Unit 1 3-1 判断 Greg was in a big island not far from Tahiti.
【简答题】根据交通部《公路工程施工招标投标管理办法》相关规定实行施工招标的公路工程项目,应符合的条件有( )。
【简答题】根据交通部《公路工程施工招标投标管理办法》相关规定实行施工招标的公路工程项目,应符合的条件有( )。
【单选题】在构件中以承受拉应力和压应力为主的钢筋称为受力钢筋,又称为( ),受力筋用于梁、板、柱等各种钢筋混凝土构件中。