青霉素引起的过敏性休克，应首选下列哪种药物抢救A．去甲肾上腺素B．肾上腺素C．异丙肾上腺素D．肾上

A．标称属性

B．二元属性

C．序数属性

D．数值属性

A．1

B．3

C．8

D．399

A．Black goods

B．grey goods

C．brown goods

D．white goods

In the north part of black bears range, most of them are______.

A．grey and white

B．red and brown

C．brown and grey

D．yellow and white

A．Red, white and blue.

B．Blue, black, brown and green.

C．White, brown and black.

D．Blonde, brown, black and red.

A．red, white and blue.

B．blue, black, brown and green.

C．white, brown and black.

D．blonde, brown, black and red.

A．white, black, blue

B．blue, grey, green

C．grey, white, red

D．black, grey, pink

A．grey, black

B．black, grey

C．green, red

D．red, green

The names Brown and Grey refer to those with ______.

A．uniforms of those colors

B．beards of those colors

C．eyes of those colors

D．hair of those colors