亚急性感染性心内膜炎( )。 A．中性粒细胞增多 B．成熟淋巴细胞增多 C．嗜酸性

词汇运用。

根据句意和汉语提示，在空白处填入适当的单词。

1._____________(节日)like Christmas and Halloween are also popular in China now.

2.Pop star White Houston was found _______________( 死亡)on the eve of the Grammy Awards.

3.—What are the workers doing over there?

   —They are busy_______________( 建造 ) the BRT between Haizhou and Xugou.

4. Unluckily , the recent floods _______________( 摧毁)many farm-houses in the south.

5. Daniel did the exercises too________________( 粗心) , and it made his teacher very angry.

氢气在不纯的氧气中点燃会发生爆炸，此种爆炸属于（）

A、物理爆炸

B、化学爆炸

C、核爆炸

D、分解爆炸

再热裂纹发生的位置一般在（）

A.母材

B.热影响区

C.焊缝区

D.以上都是

高热，咳吐脓血腥臭痰者属于（）

A.痰热阻肺证

B.热邪壅肺证

C.风热犯肺证

D.肺阴虚证

E.燥邪犯肺

电动汽油泵（）会导致输油管路不能建立残压。

A.安全阀漏油或弹簧实效

B.止回阀漏油

C.电动机烧坏