What is the role of paragraph 6？

A、for showing off your technique of making PowerPoints.

B、for enhancing your ideas and grace your speaking.

C、for delaying the time.

D、for divert audience attention.

A、clearance fit

B、transition fit

C、interferance fit

D、uncertain

Task 3 Read the following paragraph of cause and effect, adding suitable linking expressions. The role of women in today’s society is changing. _____1____ is that women have begun to assert themselves as independent people through the women s movement. ____2_____, women are aware of the alternatives to staying at home. _____3____ is that increasing numbers of women who enter new fields and interests serve as role models for other women. _____4____, men are becoming more conscious of the abilities of women and have begun to view their independence positively.

Suppose. What is the distribution of?

A、Exponential distribution

B、Student's t-distribution

C、Chi-square distribution with degree of freedom 1

D、Log-normal distribution

什么是机械加工工艺过程？ What is the process of mechanical manufacturing?

A、Nominal

B、Ordinal

C、Interval

D、Ratio

A、l = 0.127 mm

B、l =0.245 mm

C、l = 1.227 nm

D、l = 2450 ?

A、Related medical costs have increased.

B、Productivity of obese people is greatly reduced.

C、American manufacturers are driven to locate to other countries.

D、All of the above.

A.The production of fault-free software that satisfies the user's needs and that is delivered on timeand within budget

B.The development of software that conforms to international standards

C.The replacement of hand coding by automatic programming

D.The application of engineering techniques to software production

A、The wrong or right decion that is made in the presence of ethich delimma in practice

B、Moral values that are used in practice

C、Basic values or principles, to decide ethical issues in practice

D、The rights that physicians excercise in practice