下列不属于股票投资风险评估方法的是（）。 A.经济计量评估法 B.专家调查法 C.财

A

Ever since humans lived on the earth, they have made v 小题1:   forms of communication. In general, the major form of expressing thoughts and feelings has been s_小题2:__ language. But when there is a language barrier(障碍), that is, people ­­­m 小题3: each other , communication is completed through body language where gestures r 小题4:  letters , words and ideas. Here are many forms of body language in the world, each having its own f 小题5: .

Smile is the most u 小题6:  facial expression, which shows happiness and put people at

e 小题7: . When someone gets angry, he may f  小题8:_, turn his back to others or make a fist shaking it.  

There are also different ways to g 小题9:__ someone in different countries. In a word, We should study international customs to avoid difficulties in today’s world c 小题10:  crossroads.          

B.

My aunt, a s 小题11:__ in women’s disease, devoted all her life to her w 小题12:career without e 小题13: . She often worked far into the night to d 小题14: babies for the poor . It was her kindness and c 小题15:   she showed to her patients that made her successful . Despite of being a success as a doctor, she was m  小题16: , not proud.               

Her devotion to medical science i 小题17: me greatly. Suddenly a bright idea came c 小题18:  in  my mind, “why not c 小题19:  on her career and work as an o 小题20:doctor?”

做曲线运动的物体，在运动过程中，一定变化的物理量是（　　）

A．速率

B．速度

C．动能

D．加速度

刘女士，67岁，患大叶性肺炎，高热昏迷10天，10天内给予大量抗生素治疗，近日发现其口腔粘膜破溃，创面上附着白色膜状物，拭去附着物可见创面轻微出血

该病人口腔病变原因可能是

A．维生素缺乏
B．真菌感染
C．凝血功能障碍
D．绿脓杆菌感染
E、病毒感染

下列关于压力加工的叙述中，正确的是(　　)。

A．采用压力加工方法制造的毛坯力学性能不好

B．模锻加工需用模具而冲压加工不需要模具

C．模锻适用于大批量生产而冲压鼠适用于小批量生产

D．模锻适用于加工多种形状的金属原材料而冲压适用于板料、条料加工

Backup命令的功能是用于完成UNIX/Linux文件的备份，下面说法不正确的是（）

A.BackupE-C命令用于进行完整备份

B.Backup-p命令用于进行增量备份

C.Backup-f命令备份由file指定的文件

D.Backup-d命令当备份设备为磁带时使用此选项