压缩机正常进行吸气排气，没有压差，这说明压缩机内部有泄漏现象。（）

常用的虚拟存储器寻址系统由( )组成。

A．主存和外存

B．Cache和内存

C．Cache和外存

D．Cache和Cache

患者女性，12岁，因“烧伤后瘢痕挛缩、畸形”来诊。6个月前患者家中不慎失火致全身多处烧伤，经当地医院治疗4个月后好转出院。现在全身多处瘢痕增生突起，瘙痒。整个面部均见红色瘢痕，鼻翼缺失，左、右两侧上睑和下睑外翻，双眼闭合不全，小口畸形。颈部瘢痕挛缩致颏颈粘连，颈颏角消失，能闭口。双手呈“爪形手”，腘窝瘢痕挛缩，屈曲畸形，直立行走受限。腋窝瘢痕挛缩，双上肢外展受限。会阴部瘢痕挛缩，部分遮盖 * * 口。

患者目前的状况首先需要接受的治疗是（）

A.压力治疗

B.瘢痕内注射糖皮质激素

C.放射治疗

D.手术治疗

E.瘢痕贴

The trustees of the Avonbridge summer drama workshop have decided to offer scholarships to the top 10 percent of local applicants and the top 10 percent of nonlocal applicants as judged on the basis of a qualifying audition. They are doing this to ensure that only the applicants with the most highly evaluated auditions are offered scholarships to the program.
Which one of the following points out why the trustees’ plan might not be effective in" achieving its goal ？（）

A．The best actors can also apply for admission to another program and then not enroll in the Avonbridge program.

B．Audition materials that produce good results for one actor may disadvantage another, resulting in inaccurate assessment.

C．The top 10 percent of local and nonlocal applicants might not need scholarships to the Avonbridge program.

D．Some of the applicants who are offered scholarships should have less highly evaluated auditions than some of the applicants who are not offered scholarships.

E．Dividing applicants into local and nonlocal groups is unfair because it favors nonsocial applicants.

个体所具有的典型而稳定的心理活动动力方面的特征是指（）

A.动机

B.需要

C.气质

D.性格

E.能力

猕猴缺乏（）合成酶。

A.维生素A

B.维生素B

C.维生素C

D.维生素D