输气站设备管理的技术要求有哪些？

Many people do the same things on their birthday: They have a big cake with lots of candles(蜡烛), and listen to their friends and family sing“Happy Birthday to You”.①　　　　would you like to pay money to sing that song?

Jennifer Nelson is a filmmaker. ②And she used the song“Happy Birthday to You”in her film.③但是她必须为此支付1,500美元。 A company named Warner Music Group said it had the copyright(版权) on the song.

“I never thought the song was owned(拥有) by anyone,”Nelson said in the e-mail to the New York Times.

Some experts(专家) said that nobody knew who wrote“Happy Birthday to You”.They also said there was no way to know ④　　　　　　　people began to sing the song. But they believed(相信) people started to sing it long before the company began to own. ⑤it.

小题1:在①处填入一个适当的连词使句意完整、上下文通顺：

小题2:将②处划线部分译成汉语：

小题3:将③处划线部分译成英语：

小题4:在④处填入一个适当的疑问句使句意完整、上下文通顺：

小题5:文中⑤处划线部分的it指代：

单纯性卵巢囊肿MRI表现

A．T₁WI呈高信号，T₂WI呈低信号
B．T₁WI呈低信号，T₂WI呈高信号
C．T₁WI呈高信号，T₂WI呈高信号
D．T₁WI呈低信号，T₂WI呈低信号
E．T₁WI等信号，T₂WI高信号

女婴，8个月。频繁抽搐，高热4天，脑脊液检查示：压力升高，外观微混，细胞数1200×10⁹／L，中性粒细胞70%，淋巴细胞30%，糖2.2mmol／L，氯化物100mmol／L，该患儿诊断为脑膜炎。治疗首选（）

A.头孢三嗪

B.二性霉素B

C.异烟肼+链霉素

D.青霉素+庆大霉素

E.青霉素+氨苄青霉素

第7届亚运会跳比赛中，中国运动员李孔政以绝对优势获得哪一项目金牌？

公共事业所具有的特征（）

A.准公共性、公众性、公益性、非营利性

B.公共性、公众性、公益性、非营利性

C.准公共性、私人性、公益性、非营利性

D.公共性、公众性、公益性、营利性