移动物体之间的通信只能依靠无线通信手段，主要有( )。 Ⅰ．无线通信系统 Ⅱ．微波

如图所示，2个甲分子反应生成1个丙分子和3个乙分子，下列判断不正确的是（　　）

A．根据阿伏加德罗定律可推知，1个乙分子中含有2个A原子

B．该反应类型是分解反应

C．反应生成的丙物质属于单质

D．化学反应中分子的种类发生了改变

Amy and Mark Blaubach were very excited about adopting a child from an orphanage (孤儿院). They thought they would adopt a baby girl. After waiting one and a half years, the social worker asked them to consider adopting a six-year-old boy named Jerry.

After the adoption papers were signed, Amy asked if Jerry had a good friend at the orphanage. Jerry said his best friend was Zack. That was the first time that Amy heard about Zack.

Then Jerry went to his new home with Amy and Mark, where he lived happily and adjusted very well. However, Jerry kept talking about his best friend that he had left behind at the orphanage. So Amy became determined to try and find out more about Zack.

She came across a database specifically for families who had adopted children from the orphanage where she met Jerry. The database allowed parents to enter their child’s name and his or her adoption information. As Amy looked through the database, she found what appeared to be a possible match of her son’s best friend. After sending a new e-mails back and forth, Amy was sure to have the right Zack. He had adopted by Rae and Bruce Hostetler two weeks before. To her surprise, the two families were living in the same city. Then she decided to give these two friends a special reunion (重逢)

On a sunny Sunday, the two boys finally met each other again. When Jerry asked Zack, “Do you remember me?” Zack quickly answered, “Yes! Let’s go and play!” That led to hours of laughter and play. Rae and Amy were excited to see how well their sons got along, and what an amazing bond(联系) they had. Thanks to both families, that special bond between Zack and Jerry can continue for the rest of their lives.

小题1:What can we learn from the first two paragraphs?

A．Amy and Mark thought they would adopt a baby boy.

B．Amy and Mark were unwilling to adopt Jerry.

C．Amy had met Zack before he left the orphanage

D．Amy knew that Zack and Jerry were good friends.小题2:After Jerry left the orphanage ________.

A．he wasn’t happy in his new home

B．he couldn’t adapt to his new environment

C．he missed his friend very much

D．he left guilty about leaving his friend behind小题3:What can we learn about Zack from the fourth paragraph?

A．He was found at the orphanage by Amy.

B．He was living in the same city as Jerry.

C．He would be adopted by Amy and Mark.

D．The boy named Zack in the database wasn’t Jerry’s friend.小题4:Which of the following is TURE according to the last paragraph?

A．The boys met again at Amy’s home.

B．The boys couldn’t get along with each other any longer.

C．When they met again, the boys didn’t recognize each other at first.

D．The boys can keep in touch with each other for the rest of their lives.小题5:What is the best title for this text?

A．How to Adopt a Child

B．Amy and Her Adopted Child

C．A Story in an Orphanage

D．A Very Special Reunion

在计算机网络中负责各节点之间通信任务的部分称为( )。

A．工作站

B．资源子网

C．文件服务器

D．通信子网

甲公司与乙银行有长期的业务往来， 2000年双方订立一个借款合同，乙方借给甲方10万元，于10月10日交付，甲方1年后还清。乙方要求甲方提供担保，甲遂请丙公司为该笔贷款提供保证担保。后来由于丙公司经营不善，乙公司有些担心其所担保的债权，遂与甲商议，乙银行再借给甲公司10万元用于偿还前笔10万元贷款，期限1年，但是甲应当要求资金实力雄厚的丁公司提供担保，这项交易成功，丁公司为甲公司的这笔贷款提供了担保，甲拿到这笔贷款后转手还给了乙银行，偿清了前笔贷款。10个月后，甲公司破产，乙银行请求丁公司承担保证责任，丁公司此时明白了其中的真相，遂拒绝承担保证责任。以下说法不正确的是：

A．丁公司有权拒绝承担保证责任

B．丁公司应当承担保证责任

C．如果前后两笔贷款的保证人都是丙公司，那么丙公司还是应当承担保证责任

D．如果丙公司事先知道真相，其应当承担保证责任

对耳源性脑脓肿的脓肿处理主要有（）

A.穿刺抽脓

B.50%葡萄糖和20%甘露醇交替静脉注射

C.脓肿切除

D.切开引流

E.应用糖皮质激素