典型急性肺水肿X线征象是（） A．肺纹理模糊  B．出现间隙线 C．胸膜腔少量积液

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Are you suffering a lot from test anxiety? Follow these tips to help you overcome it.

  1     Prepare for the test by developing good study notes. Pick out the main points of the information or follow a study sheet from the teacher. Know the who, what, when, where, why and how of any main ideas.

Pick out the key words in the main points. Write a very short description of each point next to the key words. You will now have two sets of study notes.     2     Use the second to review right before the test.

Teach yourself little memory tricks. Some people use mnemonic（助记符号）devices to remember facts. If there is a list of information, take the first letter of each word and make an interesting saying.

  3     Some people read all the questions first and then begin working. Others start with the first question and don’t look at the rest. They skip any hard questions and come back to them later.

Do some relaxation exercises like deep breathing. Some anxiety is normal going into a test.

  4    

Review the material one last time right before bed. We often remember things that we read or think about right before going to sleep.

   5     Make sure you go to bed early enough the night before the test. It is very difficult to remember anything when you are overtired.

A．Work out a plan ahead.

B．Get a good night's sleep.

C．Pay attention to the proper order of answering the questions.

D．Use the first detailed set to study the material.E. Learn to develop a strategy for taking the test.

F. Always get as much sleep as possible.

G. Breathing deeply helps you calm yourself and concentrate on the test

DB是

A．数据库

B．数据库管理系统

C．数据处理

D．数据库系统

一个数省略万位后面的尾数是23万，这个数省略以前最大是多少？最小是多少？

撤回、更改（）由寄件人填写“邮件撤回、更改、查询受理书”，并签章交收寄局办理。

A.普通邮件

B.特快专递邮件

C.港澳台邮件

D.国际邮件

女性，39岁，初发甲状腺功能亢进症患者，服用甲巯咪唑治疗1个月后，症状控制，但甲状腺Ⅰ度肿大到Ⅱ度肿大，突眼较前严重，应选择

A．甲状腺次全切除术
B．放射性碘治疗
C．加用碘剂
D．减少原药剂量，加甲状腺片