【单选题】在Excel中,默认的工作表有______。
【单选题】The two frequently-used abstracts are_____ and _____.
A.
descriptive abstract; practical abstract
B.
academic abstract; informative abstract
C.
academic abstract; practical abstract
D.
descriptive abstract; informative abstract
【简答题】修辞是依据(),运用各种表现手段、方法,提高语言表达效果的一种活动。
【单选题】________ and ________ ratio are two frequently used engine specifications .
B.
Displacement and compression
C.
.The number of cylinder and displacement
D.
Overall length and width
【判断题】修辞是依据题旨情境,运用各种表现手段、方法,提高语言表达效果的一种活动。()
【单选题】检修发电机、同期调相机和高压电动机应填用变电站(发电厂)()。