【单选题】One characteristic of the new workforce is______.
A.
the low educational level of it compared to previous years
B.
the large share of Mexican immigrants
C.
the low educational level of its immigrants
D.
a gap between educational levels in certain immigrants
【多选题】关于G73指令,下列说法中正确的是( )(华中系统)。
C.
G73指令是按照一定的切削形状分层进行切削加工的
【多选题】关于G71指令,()(华中系统)。
C.
G71指令是沿着平行于Z轴的方向进行粗切削循环加工的
【简答题】A constant, low level of fluoride in the mouth
【简答题】根据给出的短语,写出中文意思:low level language
【单选题】The disadvantage of General Cargo Rates is that they are pitched at an extremely low level.
【单选题】体力周期、情绪周期、智力周期循环天数为( )天。