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问题 名词解释

终板电位

答案

参考答案：终板膜上发生的Na+跨膜内流和K+跨膜外流而引起的终板膜的去极化称终板电位。

阅读理解
阅读理解
      King's College Summer School is an annual (每年的) training program for high school students at all levels who want to improve their English. Courses are given by the teachers of King's College and other colleges in New York. Trips to museums and culture centers are also organized. This year's summer school will be from July 25 to August 15.
     More information is as follows:
Application (申请)date
    * Students in New York should send their applications before July 18, 2007.
    * Students of other cities should send their applications before July 16, 2007.
    * Foreign students should send their applications before July 10, 2007.		Courses
* English Language Spoken English: 22
hours Reading and Writing: 10 hours
* American History: 16 hours
* American Culture: 16 hours

Steps
    * A letter of self-introduction
    * A letter of recommendation(推荐)
    * The letters should be written in English with all the necessary information.

Cost
* Daily lessons: $200
* Sports and activities: $100
* Travels: $200
* Hotel service: $400
* You may choose to live with your friends or relatives in the same city.
Please write to:
Thompson, Sanders
1026 King's Street
New York, NY 10016, USA
E-mail: KC-Summer-School@ yahoo, com

1. You can most probably read the text in____

A. a newspaper    
B. a travel guide    
C. a textbook    
D. a telephone book

2. Which of the following is true about King's College Summer School?

A. Only top students can take part in the program.
B. King's College Summer School is run every other year.
C. Visits to museums and culture centers are part of the program.
D. Only the teachers of King's College give courses.

3. If you are to live with your relatives in New York, you will have to pay the school____

A. $200      
B. $400      
C. $500      
D. $900
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单项选择题

为调动农民生产积极性，从2004年起，我国全面放开粮食收购市场，为保护粮食生产能力，同年，我国还配套出台的“三农”政策是（）。

A．在全国范围内免征农业税

B．在全国范围内实行粮食直补

C． 实施农业科技入户工程

D．实施最严格的耕地保护制度
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