晶闸管又称为可控硅。（）

阅读下面短文，根据短文内容，从短文后的选项中有选出适当的选项补全短文。选项中有一项为多余

选项。

     Children all over the world like to celebrate their birthdays. American children are of no difference. 1_____

They invite their friends to join the celebration. The party may not be held on the exact date of their birthday if

it falls on a school day. It may be held on the closest weekend instead.

     Today two kinds of parties are most popular. One is held at home. Parents make the house beautiful with

balloons and colored paper. They cook for children. The children play games. Another kind is held away from

home. 2_____ The children eat pizza and ice cream. The waiters, who serve the food, also sing and tell jokes

to the children. Other parties may be held at a park, or a movie theater, or some other places. 

     3_____ There is one candle for each year of a birthday boy or girl's age. When the candles are lighted,

everyone sings the special birthday song: HAPPY BIRTHDAY TO YOU.

     As Americans grow older, their birthday parties change. 4_____ They say they would like to forget how old

they are. Yet they do like to remember the happy birthday parties of their childhood.

A. In fact, many people stop having them.

B. Some people are at a special restaurant.

C. American children usually celebrate it with a party.

D. They say, "Happy birthday to you."

患儿男性，1岁1个月，因“喘息3天”来诊。患儿烦躁不安，剧咳，伴喘息不得卧，咳吐黄绿色脓痰，量多，1天后出现呼吸急促，面色苍白，口唇发绀，大汗淋漓，四肢厥冷，尿量减少，食欲欠佳，舌质紫红，苔薄黄，脉细弱。既往史：患儿喘息发作3～4次。查体：体温39.5℃，呼吸60次/分，心率240次/分，呼吸急促，鼻翼煽动，可见明显三凹征，口唇发绀，双肺可闻及满布的哮鸣音。肝右肋下2.5cm，质中。脾肋下未触及。双下肢轻度水肿。

可选用的方药有（）

A.黑锡丹

B.炙甘草汤

C.黄芪桂枝五物汤

D.玉屏风散

E.生脉散

F.参附汤

如果一个文件在Windows98环境下的长文件名为JHCYY-408.TXT，则其在DOS环境下相应的短文件名应为（）。

A.JHCYY-~.TXT

B.JHCYY-40.TXT

C.JHCYY-408.TXT

D.JHCYY-408

螺杆工作转动声音不正常，可能是因为（）

A、机筒内螺杆塑化物料中有金属异物

B、料斗中原料“架桥”，机筒进料不连续

C、机筒加热温度控制不稳定，原料温度忽高忽低，影响熔料流动的稳定性

D、传动系统中的安全销折断

美国商品期货交易委员会（CFTC）管理整个美国的期货行业，重点管理范围不包括（）

A．交易所

B．投资者

C．期货经纪商

D．交易所会员