女性，22岁，腰痛一年余，一周前经X线检查诊疑为腰椎结核，作病变区穿刺活检，病理组织

联系上下文，补全对话。

Danny is going to teach Li Ming to skate.

"         1          " says Danny.

"I think I can stand up." says Li Ming.

"Yes! Look, Danny!       2      "

"Good!" says  Danny. Danny stands up, too.

"       3        " asks Danny.

"I think I can." says Li Ming.

"Come on, Danny! "

"Oops!" says Danny. He falls down again.

"         4         " asks Danny.

"I think I can." says Li Ming. Li Ming skates backwards slowly.

"         5         " says Danny.

A. Very good, Li Ming!

B. Can you skate forwards?

C. I'm standing.

D. Can you stand up on the ice?

E. Can you skate backwards?

Every time the father comes into his room, the boy pretends ______ earnestly.[ ]

A. reading  

B. to be reading  

C. to be read  

D. to have read

如果你要为草原牧民们的最盛大的节目----那达慕大会选一首背景音乐，下面比较合适的一首曲子是[ ]

A．《赛马》

B．《高山流水》

C．《二泉映月》

D．《阳春白雪》

下列属于衡量劳动力市场松紧程度的指标的是()。

A.就业率

B.失业率

C.政府政策

D.经济水平

无论是测直流电或交流电，验电器的氖灯炮发光情况是一样的。