Cementite is much harder but more brittle than ferrite.

If there were no exams, we should have _______ at school.

A、the happiest time

B、a more happier time

C、much happier time

D、a much happier time

A．They want to stay home and do the housework.

B．They don't have enough money.

C．They have too much work and not much free time.

D．They have more freedom than in the past.

A．It's bigger than he has imagined.

B．It's much more brighter.

C．It's smaller than he has thought.

D．It's full of furniture.

The difficulty in choosing a suitable job lies mainly in that

.

A. much competition has to be faced

B. many employees have no working experience

C. the young people only care about how much the can earn

D. schools fail to offer students appropriate vocational guidance

If there were no examinations, we would have______at school.

A．the happiest time

B．a more happier time

C．much happiest time

D．a much happier time

A、ferrite and cementite

B、austenite and ferrite

C、austenite and cementite

D、ferrite and pearlite

The difficulty in choosing a suitable job lies mainly in that ______.

A．much competition has to be faced

B．many employees have no working experience

C．the young people only care about how much they can earn

D．schools fail to offer students appropriate vocational guidance

W: Your rent should ha about a quarter of that.

Q: How much should the man's rent be？

(16)

A．It's $500.

B．It's $125.

C．It's $25.

D．It's $400.

A.8 to 1

B.6 to 1

C.5 to 1

D.4 to 1

A.Pearlite + Cementite

B.α + Pearlite

C.α + Cementite

D.γ + Cementite