【判断题】24和16都是8的倍数,8既是24的因数,也是16的因数。
【简答题】合金的收缩由液态收缩、凝固收缩、固态收缩三个阶段组成,其中( )与凝固收缩两个阶段是铸件产生缩孔、缩松的根本原因。
【简答题】The first pair of trousers did not fit and he asked the shop-assistant to show him_________pair. [A]some [B]one [C]other [D]another
【简答题】将下列函数展为傅里叶级数: (1) ;(2) ;
【简答题】Translate the following sentences into Chinese. 1) Too often we just say the words “thank you” when we are given help, and expect that to be good enough. It's not. 2) There are some necessary steps to...
【单选题】The measurement relating to the length of a pair of trousers is the _____.
C.
front rise and back rise