A.airB.oxygenC.breathD.windHe ran so fast that he was o……

单项选择题Be careful with those fireworks; they are（）to go off unexpectedly.

A.easy
B.probable
C.available
D.liable

单项选择题Most people who travel in the course of their work are given travelling（）

A.income
B.allowances
C.pay
D.wages

单项选择题The suspect's fingerprints on the gun were the main（）against him.

A.crime
B.information
C.conviction
D.evidence

单项选择题Humidity (湿度) is so intense in some parts of the tropics that Europeans find they are unable to（）it.

A.maintain
B.persist
C.endure
D.sustain

单项选择题The republication of the poet's most recent works will certainly（）his national reputation.

A.magnify
B.enlarge
C.strengthen
D.enhance

单项选择题Having come from a（）society, Dick found it hard to adjust to a small town.

A.abundant
B.wealthy
C.sufficient
D.large

单项选择题The older New England villages have changed relatively little（）a gas station or two in recent decades.

A.except for
B.in addition to
C.except
D.besides

单项选择题The students couldn't（）what the teacher was trying to explain.

A.grip
B.seize
C.grasp
D.snatch

单项选择题The naughty boy（）in his shoes when he saw the cane in his father's hand.

A.shivered
B.trembled
C.frightened
D.feared

单项选择题His face（）with pain when badly hurt by the shopkeeper.

A.contracted
B.was twisted
C.was twinkled
D.twisted

单项选择题My father seemed to be in no（）to look at my school report.

A.emotion
B.mood
C.attitude
D.feeling

单项选择题It was such a solemn occasion that not even a child（）a sound.

A.delivered
B.uttered
C.voiced
D.spoke

单项选择题Wouldn't it be wise to（）the possibility of rain before planning the garden party?

A.check in
B.check through
C.check out
D.check on

单项选择题On hearing the bad news, she sprang up （）

A.for a start
B.with a start
C.at the start
D.from the start

单项选择题At first, the speaker was referring to the problem of pollution inthe country, but halfway in her speech, she suddenly（）to another subject.

A.committed
B.switched
C.favored
D.transmitted