分析肽段时，以下哪种离子源灵敏度最高？（） A.CI B.ESI C.microES

异病同治

发站在同一日内，中转站在同一作业中，不得向同一卸车站组织（）辆以上的两站5吨集装箱车。

A、5

B、4

C、3

D、2

通电螺线管插入铁芯后，磁性大大增强，其原因是[ ]

A.铁芯本身有磁性

B.插入铁芯后相当于增加了线圈的匝数

C.插入铁芯后使电流增大

D.是螺线管的磁性与被磁化的铁芯的磁性的共同作用

阅读理解。

     As more Americans go to mainland China to take jobs, more Chinese and Americans are working side

by side. These cross-cultural partnerships, while beneficial in many ways, are also highlighting tensions

that expose differences in work experience, pay levels and communication.

     In the last few years, a growing number of Americans in their 20s and 30s have been heading to China

for employment, attracted by its faster-growing economy and lower jobless rate. Their Chinese co-workers

are often around the same age. But the two groups were raised differently. The Americans have had more

exposure to free-market principles. "Young Americans were brought up in a commercial environment," said

Neng Zhao, 28, a semor associate at Blue Oak Capital, a private firm based in Beijing. "We weren't. So the

workplace is a unique learning process for my generation."

     Managers hiring workers in China appear to be paying for Western experience. Foreigners tend to earn

10 to 15 percent more than their Chinese counterparts (persons working in similar positions), said Michael

Norman, senior vice president at Sibson Consulting, an American firm. That imbalance does not go unnoticed

by Chinese workers. "There is definitely the belief that Americans get paid more for the same work," said

Ting Wang, 25, an associate at WildChina, a travel company based in Beijing. On the other hand, Chinese

workers have a deeper understanding of the influences, like Confucianism'and Communism, which play a

part in their country's culture and economy.

     It is important and necessary for Americans working in China to adjust, said Mr. Norman, who works

on management and work force issues for multinational companies operating in Asia.

     "In the West, there is such a bonus on getting things done quickly, but when you come to work in China,

you need to work on listening and being more patient and understanding of local ways of doing business,"

he said.

1. More Americans go to China to take jobs because _____. [ ]

A. they want to experience different cultures

B. Chinese workers are easier to cooperate

C. they can't find proper jobs in America

D. the economy of China is developing rapidly

2. What is mainly talked about in the passage? [ ]

A. Cross-cultural conflicts.

B. Cross-cultural partnerships.

C. Multi-national companies in China.

D. Different pays for the same work.

3. What can we learn from the passage? [ ]

A. Americans benefit more from working in China.

B. Chinese and American employees have the same experience.

C. Young Chinese can benefit from cross-cultural partnerships.

D. More Americans working in China cause higher jobless rate.

4. What does the underlined word "imbalance" in Paragraph 3 refer to?[ ]

A. Unfair pay levels.

B. Different working experience.

C. Unequal opportunities.

D. Different upbringing environment.

5. We can infer from the last paragraph that _____. [ ]

A. Americans working in China adjust very well

B. ways of doing business in different countries differ

C. doing business in China takes money and patience

D. international companies need to understand each other

患者，女，62岁。3个月来右上睑出现肿块，无红痛。1年前曾切除过"霰粒肿"，未送病理。检查右上睑结膜上黄粉色隆起的菜花状病变，其内可见滋养小血管。组织病理：细胞巢瘤细胞核深染，核仁清楚，另见较大、胞浆丰富、呈空泡状的细胞。最可能的诊断为（）

A.黄色瘤

B.睑板腺囊肿

C.基底细胞癌

D.结膜结核

E.眼睑皮脂腺癌