试顶时,开泵后,每当油压升高()时,应停泵观察,发现异常应及时处理。
A.小于5MPa
B.5~10MPa
C.大于10MPa
参考答案:B
—David, there _____ a dictionary and some books on your desk. Please put them away.
—OK. Mum. I’ll do it right away.
A.is
B.are
C.has
D.have
我国有关法规明确规定,公司最近3年连续亏损,限期内未能消除的,终止其股票上市。