【单选题】 Unlike competitive running , race walkers must always keep some portion of their feet in contact with the ground.
A.run
B.runner
C.runners
D.running race
A.run
B.runner
C.runners
D.running race
【单选题】 John and I have just been telling stories two of us.
A.ourselves
B.to each other
C.each of us
D.both
A.ourselves
B.to each other
C.each of us
D.both
【单选题】 Having finished lunch, the case was discussed.
A.they discussed the case
B.they had discussed the case
C.the case was discussed
D.the case had been discussed
A.they discussed the case
B.they had discussed the case
C.the case was discussed
D.the case had been discussed
【单选题】 ______ are the first formal socialization agents.
A.Infant nurturers
B.Family members
C.Group peers
D.School teachers
A.Infant nurturers
B.Family members
C.Group peers
D.School teachers
【单选题】 In this passage, inertia means ______
A.a situation in which no action is taken
B.a situation in which no progress is made
C.the feeling of someone not wanting to move or do anything
D.the force making an object stay at rest or continue moving
A.a situation in which no action is taken
B.a situation in which no progress is made
C.the feeling of someone not wanting to move or do anything
D.the force making an object stay at rest or continue moving
【单选题】 Because excessively hunting has depleted many wildlife species, game preserves are beingestablished.
A.excessive hunting
B.hunting excessively
C.hunting was excessive
D.they hunted excessively
A.excessive hunting
B.hunting excessively
C.hunting was excessive
D.they hunted excessively
【单选题】 You may be able to cheat some people for a time, but you won't succeed on fooling them forever.
【单选题】 Your usual teacher has lost his voice and________I am taking his place today.
A.nevertheless
B.however
C.moreover
D.accordingly
A.nevertheless
B.however
C.moreover
D.accordingly
【单选题】 The Xinjiang Airlines serve passengers and customers in the southeast of China only.
A.serves
B.to serve
C.serving
D.service
A.serves
B.to serve
C.serving
D.service
【单选题】 The hard, out surface of the tooth is called enamel.
A.outside
B.appearance
C.outer
D.hiding
A.outside
B.appearance
C.outer
D.hiding
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