精神分裂症的病程特点一般认为是（） A.多为反复发作 B.多为持续进行 C.多为发作

初步可行性研究阶段的投资估算精度可以达到()。

A.±20%

B.±25%

C.±30%

D.±40%

“文字昭晰，义理环周”中“环周”的意思是（）

A.淹没

B.将要

C.完备

D.长久

E.而且将要

浮点数加法中，首先必须对阶，使二数阶码相等，才能进行加法运算，对阶时要求 (5) ，尾数相加后还需对尾数进行规格化、含入等处理，才能得到运算结果。如果判断浮点加法结果溢出，可判断 (6) 。

（6）处填（）。

A．尾数是否溢出

B．阶码是否溢出

C．尾数是否规格化

D．不会溢出

Along the seashore(海边)，the tall coconut(椰子)trees waved in he wind. The sand was white in the bright sun, and the ocean was dark blue. The houses in the town near the shore, were painted white. The boats had been pulled up on the shore. Usually they would all be in the water with hard-working fishermen. But today was a holiday, and everyone was  preparing for the celebration that was going to take place that evening.

In the distance, men could be seen climbing the coconut trees. They were singing as they worked. There were monkeys in the trees, too. The monkeys were jumping up and down and screaming angrily.The climbers just laughed at the monkeys and continued to pick the fruits.

小题1:What is this passage about?

A．It tells us a story of the monkeys.

B．It describes the scene on the seashore.

C．It talks about the life of the fishermen.

D．It is about how the people celebrated a holiday.小题2:The boats had been pulled up on the shore because_________.

A．it was a holiday

B．the weather was too hot

C．there was going to be a storm

D．it was not the season for fishing小题3:The men climbed the coconut trees to_________.

A．pick the coconuts

B．catch the monkeys

C．look at the ocean far away

D．see who could climb high and fast小题4:The word "screaming" in Paragraph Two probably means _______.

A．singing and working

B．jumping up and down

C．running here and there

D．shouting in a high voice小题5:The monkeys were angry because________.

A．the men were trying to catch them

B．the men wanted to drive them away

C．the men got the coconuts , which were their food

D．the men climbed higher and faster than they did

优级纯试剂瓶签的颜色为（）。

A.金光红色

B.深绿色

C.酒红色

D.中蓝色