立铣刀的圆柱表面和端面上都有切削刃，因此可以作轴向进给。（)

What's the difference between girls and boys in their reading habits？

A．Girls read extensively while boys focus on books of particular topics.

B．Girls have better reading habits than boys.

C．Girls are reading for enriching knowledge while boys are reading for fun.

D．Girls are more interested in fiction than boys.

What's the difference between girls and boys in their reading habits？

A．Girls read extensively while boys focus on books of particular topics.

B．Girls have better reading habits than boys.

C．Girls are reading for enriching knowledge while boys are reading for fun.

D．Girls are more interested in fiction than boys.

What' s the difference between girls and boys in their reading habits？

A．Girls read extensively while boys focus on books of particular topics.

B．Girls have better reading habits than boys.

C．Girls are reading for enriching knowledge while boys are reading for fun.

D．Girls are more interested in fiction than boys.

[A] Boys and girls share different incentives in math learning.

[B] The girls are more anxious about their future career.

[C] The boys consider that fishing doesn't necessarily need math.

[D] The boys spend more time on their part time jobs.

______indicate that there are more boys than girls attending school.

A．Numbers

B．Statistics

C．Account

D．Calculations

______ indicate that there are more boys than girls attending school.

A．Numbers

B．Statistics

C．Account

D．Calculations

Some educators begin to teach girls and boys separately because ______.

A．some researches suggest that boys and girls do not study in the same way

B．they are inspired by the success of Young Women's Leadership School

C．researches in single-sex class prove that it works better for education

D．problems in coeducation show that a single-sex school might be a better choice

According to the man, ______.

A．more and more girls are interested in computer science now

B．most girls are not interested in computer science

C．only strange girls like taking computer science courses

D．only boys like taking computer science courses