软件测试是保证软件质量的重要手段，其首要任务是( )。A．保证软件的正确性 B．改正

用显微镜观察的材料必须是薄而透明的，原因是（　　）

A．便于染色

B．不易污染物镜

C．能让光线透过

D．便于操作

根据语境，用恰当的语言完成对话。

Jack: Hey, Lily. You look unhappy. 小题1:___________________________________________?

Lily: I argued with my mom yesterday evening. She didn’t talk with me any more.

小题2:________________________________________?

Jack: Mother’s Day is coming. You could buy her some flowers and say you are sorry.

Lily: That sounds like a good idea. Jack, I called you up yesterday evening, but there was no answer.

Jack: When did you call me?

Lily: At 7:15. 小题3:___________________________________________?

Jack: I was watching CCTV news from Boston at that time. I’m sorry I didn't hear it.

Lily: That’s OK. 小题4:__________________________________________?

Jack: The reporter said two explosions (爆炸) had taken place near the Boston (波士顿) Marathon finish line. 176 people had got injured and 3 people had died (死) including Lv Lingzi, a Chinese girl.

Lily:小题5:_________________________________________.

下肢静脉曲张的主要并发症

A．小腿溃疡

B．足部溃疡

C．小腿丹毒

D．深静脉血栓形成

E．静脉瓣功能不全

给定效用函数U（W）=In（W），假定某一投资者的资产组合有60%的概率获得7元的收益，有40%的概率获得25元的收益，那么该投资者属于（）。

A．风险厌恶型

B．风险喜好型

C．风险中性型

D．无从判断

As the name implies, CTI (Computer-Telephone-Integration) is the fusing of telephone operations with those performed by a computer. CTI has actually been around for a good two decades. Until recently, it required users to (36) a good deal of knowledge about telephone interconnect processes as well as networking and database programming to (37) even the most rudimentary tasks. These two skill sets are rarely possessed by the same individual.

But today CTI has gone client/server. Microsoft corp. has included its client-side Telephony API (TAPI) with every copy of Windows 95. The company’s service-side TAPI is now available for Windows NT. There are many telephony (38) that turn the interconnect portion of a CTI (39) into standard data programming, and low-cost, easy -to- create telephony is born. Better yet, many of these (38) are Visual Basic add-ons. CTI is also subject to all the cost benefits of cheaper, PC-based hardware.

The two portions of CTI are (40)

（36）是（）

A.acquire

B.capture

C.modify

D.possess