在一台PC兼容机中硬盘驱动器的标准扇区大小是（）。 A.512bytes B.640

毛细管电泳技术实现分离的原理依据是（）

A.以毛细管为分离通道

B.以高压直流电场为驱动力

C.样品中各组分之间迁移速度

D.样品中各组分之间分配行为上的差异

E.样品所带电荷

下列对亚洲的气候描述正确的是[ ]

A．世界上所有气候类型在亚洲都有分布

B．大陆东部和南部以季风气候为主

C．分布范围最广的是热带沙漠气候

D．内陆降水多于东部沿海地区

阅读理解

    ◆New! Watch it!

     Learn the techniques scientists use to study animal behavior in the aquarium (水族馆) and in the wild,

and practice those techniques with our collection. You'll sharpen your observation skills, and learnhow to

create a list of an animal's behavior and how to use that list to collect data. This program is a great

preparation for science projects about animal behavior.

     Ages: 12-15

     Session: Sunday, Feb. 10th, 2:00-3:30 pm

     Fee: $16 members; $24 non-members

    ◆Sea Time for Baby

      You can dig in the sand, splash in the water, color a fish, and touch live sea stars as you and your baby explore marine-themed stations in our classroom. Colorful books, puzzles, and penguin feathers will be

available, and we'll snap a picture of the fun and e-mail it to you later.

     Ages: 6-18 months, with adult

     Session A: Saturday, Jan. 12th, 11:00 am-12:00 noon

     Session B: Saturday, Mar. 15th, 10:30 - 11:30 am

     Fee: $14 members; $22 non-members

     ◆Pre-K Planet Ocean!

      Why do some animals have fins? How do seals stay warm? Look into the animals here with your

child in these hands-on programs. Role-playing, songs, art activities, and lots of interaction are all included. Choose from two topics -- take one or both. In Session A, Fishy Fun, you'll touch shark teeth and fish

scales, and create a paper fish to take home. In Session B, [WTHX]Mammals[WTBZ] (哺乳动物), you'll experience the softness of sea otter fur, and learn what keeps most marine mammals warm.

     Ages: 3-4, with adult

     Session A: Saturday, Mar. 29th, 2:00 - 3:00 pm

     Session B: Sunday, Apr. 13th, 10:30-11:30 am

     Fee: $16 members; $24 non-members

     $26 members, $42 non-members for both sessions

     ◆The Trainer Experience

     How do you tell an 800-pound sea lion what to do? In this interactive workshop, you will learn what

it's like to be a marine mammal trainer, and how targets, and time-outs (休息时间)all contribute to

successful mammal training.

     Ages: 9-12

     Session: Sunday, Mar. 9th, 9:30-11:00 am

     Fee: $16 members; $24 non-members

1.From the first program, you can learn             .

A. how to dig in the sand

B. how to make a paper fish

C. the skill in training mammals

D. the behavior of animals

2.When can you go to play with shark teeth freely?

A. Sunday, Feb. 10th, 2:00-3:30 pm

B. Saturday, Mar. 15th, 10:30-11:30 am

C. Saturday, Mar 29th, 2:00-3:00 pm

D. Sunday, Apr. 13th, 10:30-11:30 am

3. If you want to have a picture of your activity, you can choose              .

A. Sea Time for Baby

B. Pre-K Planet Ocean!

C. The Trainer Experience

D. New! Watch It!

4. If you are a member and your parents will take you to experience "Fishy Fun", you will pay          .

A. $56

B. $94

C. $64

D. $110

男性，35岁，40分钟前因车祸致右大腿外伤，当时即感局部疼痛，活动障碍。大量出血，出现休克症状。骨折肢体肿胀，远端异常扭曲，有反常活动和骨擦音。股骨下1/3处压痛明显，小腿感觉和运动障碍，足背、胫后动脉搏动减弱，末梢血运循环障碍

临床上诊断最有可能是

A．右股骨干骨折

B．右股骨颈骨折

C．右胫腓骨干双骨折

D．右股骨髁上骨折

E．右股骨髁间骨折

应付管理子系统中，禁用的凭证不可以进行下列（）操作。

A.审核

B.启用

C.复核

D.记账