S1切换准备流程的目的是通过（）在目的端请求资源准备。

根据短文，圈出正确的单词。

Damings Diary

                                                                                     Wednesday, Rainy

   Today I got two letters in English. One is from Lingling in England and one is from my cousin in America.

Lingling l.(went/goes) to a children's theatre last week. The Show 2.(was/is) very funny. She 3.(laughed/is

laughing) a lot. They 4. (eat/ate) hamburgers and chips then My uncle 5.(read/is reading) a book about

Chinese history. He 6.(ask/is going to ask) me some questions.  I 7.(brought/am going to Bring) some CDs

of Chinese songs for them tomorrow.

阅读理解

       My name is Tony and I live in Canada. My mother is from Korea (朝鲜) and my father is from

France, so we speak three languages at home. I think languages are very interesting and I want to study

Portuguese(葡萄牙语) and Chinese. But my favorite subject at school isn't language. It's math. I really

like history, too.

       I like sports, especially (尤其) soccer and basketball, because they are relaxing. But I don't have

much time to play them. I go to a music club after school on Mondays, I have guitar lessons on

Wednesdays, and go to library on Fridays. But Saturdays and Sundays are great because I can play

sports, sleep (睡觉), and watch TV.

1. Tony's mother lives in _______.

A. Korea    

B. France  

C. Canada  

D. China

2. Tony can speak _______ very well at home.

A. Japanese  

B. Korean(朝鲜语)

C. Chinese

D. Portuguese

3. Tony's favorite subject is _______.

A. language  

B. history

C. math

D. Chine

4. He can't play soccer on _______.

A. Mondays and Fridays  

B. Tuesdays and Thursdays

C. Saturdays and Sundays  

D. Wednesdays and Saturdays

5. Tony thinks sports are _______.

A. interesting

B. boring

C. funny

D. relaxing

下列离子方程式正确的是

A．向NH₄HSO₃溶液中，加入过量的氢氧化钠溶液，并加热 NH₄⁺+OH^-NH₃↑+H₂O

B．向FeBr₂溶液中通入过量氯气 2Fe²⁺+2Br^-+2Cl₂=2Fe³⁺+Br₂+4Cl^-

C．向次氯酸钠溶液中通入少量SO₂气体 2ClO^- + SO₂ + H₂O =" 2HClO" + SO₃^2-

D．实验室制氯气 MnO₂ + 4H⁺ + 2Cl^-Mn²⁺ + Cl₂ ↑+2 H₂O

检测可溶性抗原不能用( )。

A．ELISA

B．单向琼脂扩散

C．直接凝集反应

D．反向间接凝集反应

E．协同凝集试验

大学生如果有失信行为，在校期间评优评奖、就业推荐等可不受影响。