油藏岩石的（）和原油地下的（）性质，是决定井产量的主要因素之一。

用所给词和短语的适当形式填空

Tom and Fred are  1  the year 2015.   “What will the world   2  in the year 2015?” asks Tom.  “I don’t know.” Says Fred.  “What do you think?”   “Well,  no one knows, but it is   3   to guess，” “ In the year 2015   4  will carry a pocket computer .The computer will give people the answers to all the questions. We shall all have telephones in our pocket, too, and we’ll be able to talk to our friends   5  . Perhaps we’ll be able to see them at the same time.”

“A lot of people will live and work under the sea. Perhaps there’ll be big towns, factories, and farms   6 , too.”  “

“Machines will do most of the   7 , so people will have more holidays . Perhaps they’ll work   8  two or three days a week. They will be able to fly to the moon by spaceship and spend their holidays there.

“I am  9  the year 2015. I hope to fly to the moon.” Says Tom. “And I hope I’ll be able to live under the sea,” says Fred. “Won’t it be interesting? Just  10 a fish.”

国内学者基本上都把教学设计的发展分为四个不同的时期/阶段，20世纪初期所属的阶段是（）。

A.教学设计思想的萌芽

B.认知主义主导教学设计

C.走向整合化的教学设计

D.行为主义教学设计兴起

下列哪一组性能属于钢筋的力学性能______
Ⅰ．拉伸性能 Ⅱ．塑性性能 Ⅲ．冲击韧性
Ⅳ．冷弯性能 Ⅴ．焊接性能

A．Ⅰ，Ⅱ，Ⅲ
B．Ⅱ，Ⅲ，Ⅳ
C．Ⅲ，Ⅳ，Ⅴ
D．Ⅰ，Ⅱ，Ⅴ

在发电机运行氢压下，用于监测发电机内氢气湿度的氢气湿度计，应能在运行氢压下长期运行，且须经0.8MPa历时15min的承压试验（）

计算机住存储器中的Rom（）。

A.既能读出数据，也能写入数据

B.只能读出数据，不能写入数据

C.只能写入数据，不能读出数据

D.不能写入数据，也不能读出数据