当有效证券组合中存在无风险证券的时候，引出的射线与可行域的切点为最优风险组合，切点与无风

Ⅵ. Writing (25 points)

Directions: For this part, you are supposed to write a composition Health in 100-120 words based on the following topic sentences. Remember to write it clearly.

(1) Health is the foundation of one's future success.

(2) How can you have good health？

(3) In a word, nothing is more valuable than health.

VI. Writing (25 points)

Directions: For this part, you are supposed to write a letter of refasal in English in 100-120 words based on the following situation. Remember to write it clearly.

61. 你(Li Yuan)的朋友(Jack)邀请你暑期到他家乡—农村去度假。写封信委婉拒绝。信的内容如下：

(1) 对邀请表示感谢；

(2) 不能如愿的原因；

(3) 提出弥补的方式。

Ⅵ. Writing (25 points)

Directions: For this part, you are supposed to write a composition in 100—120 words based on the topic What a Foreign Student Should Do in China. Remember to write it clearly.

61．外籍学生(foreign students)如何适应中国生活

1)外籍学生必须要有接纳不同文化、不同观念的开阔胸襟。

2)勤练语言，与当地学生交流，尊重对方意见。

3)俗话说要“人乡随俗”。

Ⅵ. Writing (25 points)

Directions: For this part, you are supposed to write a composition in 100--120 words based on the following situation. Remember to write it clearly.

61．一组外国人原打算在我市参观期间去你校看一看，但因临时有事不能去，请对你校布局予以介绍。

注意：(1)叙述要有条理，方位清楚，要用一些方位词。

(2)题目：Our School Yard

(3)在文中要提到教学楼，办公楼，试验室，电教中心，图书馆，宿舍，食堂，操场等等。

Directions: For this part, you are required to write an essay on the topic Should College Graduates be Paid More than Non-grads？You should write at least 100 words and ba

Part IV Writing (15 points) Directions: Write an email to apply for the job advertised as follows: Wanted Temporary secretary for general office duties. Applicant must have secondary school level of education and be computer literate. Good work habits and ability to work in a team necessary. l Send your application via email to the Senior Clerk, Mr. Muscat, on jmusc@officeworks.com l You should write at least 150 words. 注：请直接从称呼开始写作。

Ⅵ. Writing (25 points)

Directions: For this part, you are supposed to write a letter of 100—120

words based on the following situation. Remember to write it clearly.

61．你是刘吉，工作是办公室职员，写封信给一位俱乐部的经理，内容包括：

(1)最近很容易感到疲劳。工作十分紧张(如接待来访者、为总经理起草报告、归档各类文件)；

(2)希望成为该俱乐部的一员，参加那里的活动；

(3)你的嗜好和兴趣(如读书、唱歌、烹饪)；

(4)希望他能给你提供更多的信息(如加入俱乐部的费用、俱乐部的一般活动时间和活动内容)。

Ⅵ. Writing (25 points)

Directions: For this part, you are supposed to write a composition in 100—120 Fords based on the following situation. Remember to write it clearly.

61．你以伦敦国际语言中心的名义向大家介绍：

1)该中心的教学目的既实用又围绕商务。教师经验丰富，有现代化的教学方法和设备。想参加语言课程请到105室登记。

2)除了教学之外，该中心还提供许多其他活动，如电影、英语角、讨论和野餐，其目的是提高学生的语言技能。

3)英语俱乐部每天上午九点至晚上九点开放，只需申请，会员即可免费使用。

Part V Writing (30 minutes)

Directions: For this part，you are allowed thiety minutes to write a com position on the topic： The Tape Recorder