为了了解石油在油层中的性质，高压物性取样时，要求样品保持在（）状态下
A.常温
B.常压
C.地层
D.密闭
参考答案：C
来自非疫区的飞机通过地面航空站进行（）。
A．随航检疫
B．锚地检疫
C．电讯检疫申报
D．A、B
—Do you know Jim quarrelled with his brother?
—I don't know,________.[ ]
A. nor don't I care
B. nor do l care
C. I don't care neither
D. I don't care also
