血虚证病人的面色是()。
A.面白无华
B.面色苍白
C.面色淡白
D.面色青紫
E.面色㿠白
参考答案:C
–Are you available at 3 tomorrow afternoon?
--Sorry, I ________ a meeting at that time.
A.am having
B.will be having
C.will have
D.have
叉车发动机机油粗滤器,检查保养时应该()。
A.拧几圈
B.用铁丝通孔
C.卸下来冲洗
D.同发动机同时保养