Calcium, the most abundantly mineral in the body, works with phosphorus in maintaining bones and teeth.
A.abundantly
B.in the body
C.works with
D.in maintaining

Grover Cleveland was the only American president served two nonconsecutive terms.
A.the only
B.served
C.nonconsecutive
D.terms

By measuring the color of a star, astronomers can tell how hot is it.
A.measuring
B.the
C.how
D.is it

A.uncommon
B.common
C.separate
D.individual

A.them
B.it
C.me
D.you

A.time
B.schedule
C.clock
D.plan

A.out
B.off
C.of
D.on

A.meals
B.meat
C.eating
D.meal

A.Of
B.In
C.On
D.Up

It can be inferred that in order to improve students' ability in reading _______ .
A.only one technique is enough
B.the teachers have to work very hard
C.the students have to read a lot
D.one technique is not enough, a combination is recommended