下列哪种是催化脱氢催化剂（） A.氧化铬-氧化铝系催化剂 B.铂系催化剂 C.氧化铁

女，58岁，主诉右耳前区包块20年，缓慢生长，无其他不适。检查见右耳前区5cm×6cm结节状肿物，表面不光滑，有轻度的动度，与皮肤无粘连。

最应进行的影像学检查是（）

A.右腮腺造影X线片

B.腮腺区域CT

C.右腮腺区域B超

D.99Tc核素扫描

E.腮腺区域MRI

在纠正病人脱水的过程中，尤其应注意出现

A．高钙血症

B．低钾血症

C．高钠血症

D．高氯血症

E．低镁血症

阅读理解。

     Jiang Wei、Mr.Sun、Mr.Lee、Mr.Xu和 Ms. Wang需要预定宾馆.第1-5题是他们的基

本信息。阅读下面六家宾馆的相关信息(A、B、C、D、E和F)，为每个人选择合适的

宾馆。选项中有一项是多余选项。

1. Jiang Wei has a three-week vacation from next Monday. He wants to go to Shanghai by bus and

then go home by train. He wants to find a hotel near the railway station, for he plans to spend two days

visiting Nanjing Road and the Chenghuang Temple in Shanghai.

2. Mr. Sun is a manager of a big company in Beijing. Next month, Thomas, an American consultant,

will pay a visit to his company. Mr. Sun is responsible for looking after Thomas. This will be Thomas'

first visit to Beijing. Mr. Sun decides to choose a hotel which is very typical of China and is convenient

for him to get a quick tour of the capital.

3. Mr. Lee is a sales manager in a company in Shanghai. Last year he got married and this Saturday

will be his wedding anniversary. He met his wife while he was taking a walk along the West Lake. He

has decided to celebrate their first anniversary at the place that saw the beginning of their love.

4. Mr. Xu is a mathematics professor. Next Sunday, the International Mathematics Annual Meeting

will be held in Renmin University of China. Mr Xu was invited and has asked his assistant to book a

room. A hotel near the university is preferred.

5. Ms. Wang is a mother of two children. Running a shoe shop, she lives a comfortable life. They live

in Hangzhou, and have never seen the sea with their own eyes. The summer vacation is coming and

Ms. Wang wants to take her children to Yantai to see the sea.

A. Xinqiao Hotel is an international four-star hotel in Hangzhou. The hotel is perfectly located in the

business center of Hangzhou City with the West Lake only a few minutes away. It is the tallest building

near the West Lake. The hotel has 409 rooms and suits in different styles.

B. Home Inn is next to the North Square of Shanghai Railway Station and is near the Hutai Road Bus

Station. It provides standard rooms, business rooms, and superior rooms. Twenty-four-hour hot water,

TVs, telephones, free broadband Internet and free parking are all available.

C. Yantai Hongkou Hotel is located at the center of the new coastal scenery area. The hotel is just 2.5

kilometers from the train station, and 26 kilometers from the airport. After a short walk, guests can enjoy

the fresh sea breeze and the soft sandy beach. It offers different classes of guest rooms, such as standard

rooms and business suits.

D. The Four Seasons Hotel Shanghai is a five-star hotel and is located in downtown Shanghai. Nanjing

Road and Huaihai Road are only a five-minute walk from the hotel. It is four kilometers away from the

railway station. All the rooms are well-designed. Room service is available at all hours.

E. Beijing Hotel is located on East Chang'an Avenue, the heart of Beijing. It has a long history of more

than one hundred years. It made history as the Olympic Family Hotel by hosting distinguished guests

from all over the world during the 2008 Summer Olympic Games. Its services include dining, business,

tickets and entertainment.

F. Yanshan Hotel is located in the Zhongguancun High-tech Zone of Beijing. It is a business hotel and is

surrounded by a number of famous universities including Peking University, Renmin University of China

and Tsinghua University. Besides superior rooms, it also offers standard rooms.

在土方工程施工中，一般按土的()将土分为八类l6个级别。

A.颗粒级配 

B.块体体积 

C.单位重量 

D.坚实程度

在评价预防接种的效果时，下列哪个指标是评价流行病学效果的指标（）

A.患病率

B.发病率

C.病死率

D.保护率

E.阳性率