下列现象中，属于利用做功的方式改变物体内能的是[ ] A．冬天，电暖气使房间变暖

小明同学在测定液体密度的实验中，没有把容器的质量测出来，而是多次测出容器和液体的总质量，并记录在右表中．根据表中的数据求得液体的密度是______g／cm³，容器的质量是______g.

有以下程序： main() { char *p[10]={"abc","aabdfg","dcdbe","abbd","cd"); printf("%d\n", strlen(p[4])); } 执行后输出结果是( )。

A．2

B．3

C．4

D．5

《长江下游分道航行规则》采取了哪三大定线措施？

A 40-year-old client is admitted to the psychiatric emergency department because of sleeping difficulty, poor judgment, and incoherent at times. The client’s speech is rapid and loose. She reports being a special messenger from the Messiah. She has a history of depressed mood for which she has been taking an antidepressant. Which diagnosis would the nurse suspect（）

A. Schizophrenia.

B. Paranoid personality.

C. Bipolar illness.

D. Obsessive-compulsive disorder (OCD).