管道进行气压试验的正确步骤是 （）。A.缓慢升压至试验压力的30%→按试验压力的10%逐级升压后每级

Mr. White was unhappy because his hair stopped growing.

A．Right.

B．Wrong.

C．Doesn't say.

—"How dark your brother's hair is!"—"It's______mine when I was at his age. "

A．no darker than

B．no more darker as

C．not dark more than

D．not darker as

The barber asked Mr. White to use cream on his head to help hair grow.

A．Right.

B．Wrong.

C．Doesn't say.

A．content

B．contract

C．contrast

D．contain

"How dark your brother's hair is!""It's ________ mine when I was at his age."

A．no darker than

B．no more darker as

C．not dark more than

D．not darker as ~

A．A tall man with dark hair and a moustache.

B．A youth with a distinguishing mark on his face.

C．A thirty-year-old guy wearing a light sweater.

D．A medium-steed young man carrying a gun.

A．A tall man with dark hair and a moustache.

B．A youth with a distinguishing mark on his face.

C．A thirty-year-old guy wearing a light sweater.

D．A medium-steed young man carrying a gun.

A．white

B．hairless

C．gol

D．old

The barber advised(建议)John ______.

A．to have his hair cut short

B．to cut off most of his hair

C．to be cut off his long hair