Technology is to the development of the modern society a matter of（）importance.

单项选择题A good host is（）to the needs of his guests.

A.accustomed
B.overwhelming
C.attentive
D.invaluable

单项选择题This ancient building will be preserved（）and opened to the public.

A.instant
B.intact
C.integrated
D.secure

单项选择题It is（）to reserve a seat on this train.

A.advisable
B.athletic
C.accessible
D.additional

单项选择题Her illness（）her to give up his studies.

A.combined
B.compelled
C.condemned
D.complained

单项选择题The company（）when it tried to expand too quickly.

A.has trouble
B.ran into trouble
C.took the trouble
D.ask for trouble

单项选择题The fairy said, You will be transformed into two statues of stone but still（）your reason.

A.remain
B.require
C.inquire
D.retain

单项选择题they are（）with envy and jealousy at what has happened to their sister.

A.consumed
B.overjoyed
C.hideous
D.grief-stricken

单项选择题The government spokesman（）publicly that offenders would be punished.

A.pronounced
B.announced
C.claimed
D.demanded

单项选择题（）good health, one can achieve anything.

A.Giving
B.Having given
C.Given
D.Having been given

单项选择题There are those who（）suspicions about his motives.

A.humor
B.harbor
C.hug
D.labor