从美学的角度来看，两眼内眦间距与眼裂左右宽度之比的理想值为（）。 A.1.5：1 B

同一品牌的进口涂料，年度抽查比例不少于进口批次的（），每个批次抽查不少于进口规格型号种类的（），所抽取样品送专项检测实验室进行专项检测。

A.15%15%

B.15%10%

C.10%10%

D.10%15%

D

Using the Internet and CD-ROM databases in the library

Bramley College now has full electronic information resources in the College Library to help you in your studies. On CD-ROM in the library we have about fifty databases (数据库), including many statistical sources. Want to know the average rainfall in Tokyo? It’s easy to find out.

You can conduct your own CD-ROM search for no charge, and you can print out your results on the library printers using your library photocopying card. Alternatively, you can download your results to disk, again for no charge, but bring your own USB flash disk ( U盘 ) or CD-ROM. If you are not sure how to conduct a search for yourself, librarians can do it for you , but we charge $5 each time for this service, no matter how long or how short a time it takes.

All library workstations have access to the Internet, so you can find the Web-based information you need quickly and easily. If you are unfamiliar with using the Internet, help is available in several ways. You can start with the online tutorial ( 指南) Netstart. The tutorial will take you through the basic step to using the Internet, at any time convenient to you. If you prefer, ask one of the librarians for Internet advice ( at times between 8:00 am and 12：00 am weekdays ) or attend one of the introductory group sessions that are held in the first two weeks of each term.

A word of warning: demand for access to library workstations is very high, so you are strongly advised to book a workstation, and we have to limit your use to a maximum of one hour at any one time. Also, use of the computers is limited to students only, so you may be asked to show your Student Identification Card to make a booking, or while using the workstations.

68. The passage is mainly intended for          .

A. students       B. teachers         C. librarians        D. citizens

69. If a librarian conducts the CD-ROM  search for you three times, you should pay_____.

No fee        B. $5            C. $10             D. $15

70. A librarian can help you learn to use the Internet___________.

A. at any time if you are in need of help

B. in the first three weeks of each term

C. in the morning from Monday to Friday

D. when the librarians are available

71. At any one time, a library workstation can used for_____

A. half a day      B. one hour      C. two hours      D. an unlimited time

男性，13岁，脐周痛12小时，伴恶心，无呕吐，转移至右下腹4小时。查体：体温38℃，右下腹明显压痛、反跳痛。白细胞计数为18×10⁹/L，首选治疗为（）

A．给予抗生素，继续观察

B．给予镇痛剂

C．物理降温

D．急诊手术

E．口服肠道抗生素

ASCII码中的每个字符都能用二进制数表示，例如A表示为01000001，B表示为01000010，那么字符F可表示为______。

A．01000011

B．01000111

C．01000101

D．01000110