无机非金属硅酸盐材料包括水泥、玻璃、（)等。A．橡胶B．陶瓷C．塑料D．涂料

选出应填入下面一段英语中______内的正确答案。

All known techniques for handling complex problems successfully seem to fall into one of the three classes: subdividing the problem(1), ignoring irrelevant detailin a safe way(2), and having an independent agent(3)the internal consistency (contextual checking) The first two provide guidelines for solving the problem, the third serves to provide early warnings. A good programming language supports all three.

In subdividing problem, some of the subproblems may be similar to the(4)problem. It leads us to a(5)solution. This(5)solution is viable provided each of the subproblems is easier to solve than the original problem.

seful in questioning terrorists. Isn't it incredible？

W: Simple solutions to complex problems rarely succeed. As far as I know, no such drugs are ever known to work.

What does the woman think of the new drug？

A．It can help solve complex problems.

B．It will most likely prove ineffective.

C．It is a new weapon against terrorists.

D．It will help detect all kinds of liars.

Computers can be used______ .

A．to work out complex problems

B．to keep track of expenses

C．to turn appliances on and off

D．to do all the above

seful in questioning terrorists．Isn't it incredible？

W: Simple solutions to complex problems rarely succeed．As far as I know, no such drugs are ever Known to work.

Q: What does the woman imply about the new drug？

(15)

A．It will help detect all kinds of liars.

B．It will most likely prove ineffective.

C．It can help solve complex problems.

D．It is a new weapon against terrorists.

The tendency______(simplify)complex problems blinds managers to other alternatives.

how tocommunicate about them in a way that will be helpful instead of making them worse. I do notbelieve that prescribing specific techniques for communicating is a

A、refers to specific techniques for communicating

B、means \

D、makes the problems and disagreements between couples even worse

E、does not work if it does not come as an outgrowth of a genuine attitude

Sometimes a researcher cannot get valid results because ______.

A．the information needed is too complex to be gathered

B．personal interviewing is the most accurate of all survey research techniques

C．personal interviewing is not as effective as other research techniques

D．both interviewer and interviewee may make mistakes during the interviewing

_____.

A．a waste of human and natural resources

B．economic dominate over the competitors

C．constant creation of social problems

D．formation of a ever complex society

A．responsible

B．aware

C．capable

D．independent

Computers can be used______ .

A．to work out complex problems

B．to keep track of expenses

C．to turn appliances on and off

D．to do all the above