Please describe the effect of demyelination on the AP propagation on nerve fiber, and the possible clinical manifestations （at least 2） of demyelination disease, such as Guillian-Barre Syndrome .

听力原文：W：Hey, I can understand that sometimes the appreciation of Rock'n Roll involves high volume. But can't you use the earphone?

M：Oh, I'm sorry. I didn't realize it was bothering you.

Q：What is the man probably doing?

(16)

A．Talking on the telephone.

B．Vacuuming the bathroom.

C．Rolling the rocks.

D．Listening to music.

Pick out the appropriate expressions from the eight choices below and complete the following dialogues by blackening the corresponding letter on the Answer Sheet.

A: Jim, you said you would not stay out late after school, didn&39;t you?

B: Yes, mom, I did

A: But it&39;s 10 o&39;clock now.【61】

B: Sorry. I&39;ve been to the hospital.

A: What?【62】

B: No. I sent Jack to the hospital.

A: Oh, really?【63】

B: He had a terrible headache on the way home.

A: Is he better now?

B:【64】

A: Good for you, my dear! I&39;m very glad you can help others.

B:【65】

61.

A. What should I do?

B. Thank you, mom.

C. Where have you been?

D. Yes, he is.

E. What was wrong with him?

F. Were you sick?G. Where is the hospital?

H. I&39;m sorry to hear that.

62.

A. What should I do?B. Thank you, mom.C. Where have you been?D. Yes, he is.E. What was wrong with him?F. Were you sick?G. Where is the hospital?H. I&39;m sorry to hear that.

63.

A. What should I do?B. Thank you, mom.C. Where have you been?D. Yes, he is.E. What was wrong with him?F. Were you sick?G. Where is the hospital?H. I&39;m sorry to hear that.

64.

A. What should I do?B. Thank you, mom.C. Where have you been?D. Yes, he is.E. What was wrong with him?F. Were you sick?G. Where is the hospital?H. I&39;m sorry to hear that.

65.

A. What should I do?B. Thank you, mom.C. Where have you been?D. Yes, he is.E. What was wrong with him?F. Were you sick?G. Where is the hospital?H. I&39;m sorry to hear that.

请帮忙给出每个问题的正确答案和分析，谢谢！

The author's attitude towards superpills can best be described as one of ______.

A．approval

B．neutral

C．tolerance

D．disapproval

Pick out the appropriate expressions from the eight choices below and complete the fol lowing dialogues by blackening the corresponding letter on the Answer Sheet Ⅰ.

A. I was held up by the traffic jam. B. That's a good price. C. I think so.

D. If you run, you might catch it. E. Thank you very much. F. Nobody like this.

G. Yes, he will. H. I do some running every morning.

Hoe: What do you do for exercise?David: ______

The author's attitude towards superpills can best be described as one of______.

A．approval

B．neutral

C．tolerance

D．disapproval

Dear Sirs，

    We thank you for your enquiry of August 10th and are pleased to send you our quotation for cottonand silk blouses．We have indicated those items that are available from stock．For the remaining itemsthe stated dates of delivery are approximate，but in no case would these dates be exceeded by more thana fortnight．

  All the items quoted are made of the best quality materials and can be supplied in various designsand colours．We can also accept for blouses to be made according to instructions in order to meet theindividual requirements of the masses．Please avail yourselves of this advantageous condition and placeyour orders with US now．

 We enclose a copy of our latest catalogue as we feel that you may be interested in some of ourother products，such as leather shoes and gloves as described and illustrated on pages 10 ～15 of thecatalogue．If so，please do not hesitate to ask us for quotations and offers，which will receive our carefulattention，and we assure you of our close cooperation at all times．

                                    Yours sincerely，

                              China National Import&Export Corp．

                                      Manager

The term computer describes a device made up of a combination of electronic and electromechanical components． By itself, a computer has no（ ）and is referred to as hardware, which means simply the physical equipment． The hardware can&39;t be used until it is connected to other elements, all of which constitute the six parts of a computer-based information system, hardware, software, data/information, people, procedures and communications． A system is defined as a collection of related components that（ ）to perform a task in order to accomplish a goal． Any organization that uses information technology will have a computer-based information system to provide managers (and various categories of employees) with the appropriate kind of information to help them make decisions． Systems analysis and design is to ascertain how a system works and then take steps to make it （ ）Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ ） From time to time, organizations need to（ ）their information systems, in, response to new marketing&39; opportunities, modified government regulations, the introduction ．of new technology, merger with another company, or other developments． When change is needed, the time is ripe for applying the principles of systems analysis and design．

A.information B.software C.intelligence D.dataA.interact B.work C.connect D.changeA.improved B.better C.good D.bestA.decision B.need C.standard D.objectiveA.modify B.replace C.changeD.transfer

The author's tone in this passage can best be described as ______.

A．disapproving

B．emotional

C．objective

D．sympathetic

Select the appropriate sentences from the answer choices and match them to the type of anthropology that they describe. TWO of the answer choices will NOT be used. This question is worth 3 points.

Types of Anthropology

Physical Anthropology

*____________________

*____________________

*____________________

Cultural Anthropology

*____________________

*____________________

*____________________

Answer Choices

A. The focus is on the similarities and differences among cultures.

B. This field studies life on many different scales of size and time.

C. Researchers observe similarities between humans and other primates.

D. Scientists examine the fossils and skulls of early humans.

E. Researchers live and work in other societies and write ethnographies.

F. It is the study of the origins, history, and structure of the earth.

G. The story of humanity's origins is a major topic of investigation.

A．The rewards for the leader.

B．The reputation of a leader.

C．The approach to achieving goals.

D．The payment of employees.