2022年英语专四语法模拟练习题第91期
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1.DNA, ___, is found in the cell nucleus in the form of very long and thin molecules consisting of two spiral strands.
A.inherits material
B.is inheritance material
C.material is inherited
D.the material of inheritance
2.Potential dehydration is ___ that a land animal faces.
A.the often greatest hazard
B.the greatest often hazard
C.often the greatest hazard
D.often the hazard greatest
3.Before every presidential election in the United States, the statisticians try to guess the proportion of the population that ___ for each candidate.
A.are voted
B.voting
C.to be voted
D.will vote
4.Although thunder and lightning are produced at the same time, light waves travel faster ___, so we see the lightning before we hear the thunder.
A.than sound waves do
B.than sound waves are
C.do sound waves
D.sound waves
5.All the committee members said the lecture was ___ a second time.
A.worth to listen
B.worth being listened to
C.worth listening to
D.worth to listen to
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