【判断题】薄壁圆筒扭转时,其横截面上的切应力均匀分布,方向垂直半径。
【单选题】在Excel2010工作表中,关于“筛选”的正确叙述是( )。
A.
自动筛选和高级筛选都可以将结果筛选至另外的区域中
C.
一次自动筛选的条件只能是一个,高级筛选的条件可以是多个
D.
如果所选条件出现在多列中,并且条件间有“与”的关系,必须使用高级筛选
【单选题】欲从新鲜植物中提取水溶性较大的苷类成分时,应选用下列那种方法:
【单选题】Brad Williams
A.
memorize a 40 line poem in ten minutes
B.
recall news events from any day in the last 40 years
C.
recall their activities for any day of their life
D.
memorize order of 52 cards in 24 seconds
【单选题】What does Charlie get for his birthday?
C.
scarf and a chocolate bar
【单选题】电池在一定放电条件下所能给出的电量称为电池的容量,以符号C表示,其中C10表示()
【多选题】Jack Williams
B.
Quality Coatings Company
C.
After-sales Service Department
D.
Placed an order for 500 gallons oil-based coatings
E.
Calling for the comments on the service
F.
Feels satisfied with the delivery