可及时反映内脏蛋白的急速变化的血清蛋白是()。
A.总蛋白
B.血清视黄醇结合蛋白
C.前清蛋白
D.球蛋白
E.血清转铁蛋白
参考答案:B
. ______ are allowed to take part in the outdoor activities.
A.Old enough children to dress themselves
B.Children enough old to dress themselves
C.Children old enough to dress themselves
D.Enough old children to dress themselves
按一下空运转选择按钮,指示灯亮,表示“空运转”机能有效,此时运行程序中所有F代码均无效,车床的进给按“()开关”所选定的进给量来执行。
A.驱动
B.功能选择
C.进给倍率选择
D.步进选择