在软件测试设计中，软件测试的主要目的是( )。A．实验性运行软件 B．证明软件正

“矩形的对角线相等”的否定是__________ 

某电视机厂要印制产品宣传材料，甲印刷厂提出：每份材料收1元印刷费，另收1000元制版费；乙厂提出：每份材料收2元印制费，不收制版费。

（1）分别写出两厂的收费y（元）与印制数量x（份）之间的函数关系式；

（2）电视机厂拟拿出3000元用于印制宣传材料，找哪家印刷厂印制的宣传材料能多一些？

（3）印刷数量在什么范围时，在甲厂的印制合算？

有关锁骨的说法，正确的是

A．内侧与胸骨体形成胸锁关节

B．外侧与肩胛骨的喙突形成关节

C．内侧三分之一呈圆形，凸向前

D．外侧三分之二呈菱形，凸向后

E．锁骨是上肢带骨

正确的观点是从哪里来的呢？是从客观实际中来的。我们在研究任何一个问题的时候，都要从客观存在着的事物出发，详细地占有材料，在马克思主义基本原理的指导下，给以科学的分析，然后才能在这个问题上形成正确的观点。如此，我们要把正确的观点传达出来，也是离不开材料的。对这段文字最准确的复述是

A．正确的观点是从实际材料中出来的

B．正确的观点是经科学分析得出来的

C．正确的观点是通过材料传达出来的

D．正确的观点是在马克思主义原理指导下，对实际材料进行科学分析得出来的

It was a very hot day in the middle of summer, and there were no trees along the street. Mr. Read (41) his shop at half past five, and went out into the street and began walking to the bus. He was a very (42) man. The sun shone straight down the street, and in a few minutes Mr. Read (43) very hot.

A. thought B. felt C. said

A small boy came out of another (44) in the street and followed Mr. Read. He stayed very (45) him all the time, and he kicked Mr. Read’s (46) several times. Mr. Read looked at him angrily each time.After the fourth time, Mr. Read stopped, turned (47) and said to the small boy, "What are you doing (48) following me like that! You’re going to hurt my feet."
"I’m (49) , but don’t stop me, please!" the small boy said. "It’s very hot today, and there isn’t (50) shade anywhere else in the street!\