十道英语选择题,四级左右难度.21.________that the demand for power continues to rise at the current rate,it will not be long before traditional sources become inadequate.A)ConcerningB)RegardingC)AscertainingD)Assuming22.We find that some b

十道英语选择题,四级左右难度.21.________that the demand for power continues to rise at the current rate,it will not be long before traditional sources become inadequate.A)ConcerningB)RegardingC)AscertainingD)Assuming22.We find that some b
十道英语选择题,四级左右难度.
21.________that the demand for power continues to rise at the current rate,it will not be long before traditional sources become inadequate.
A)Concerning
B)Regarding
C)Ascertaining
D)Assuming
22.We find that some birds _____twice a year between hot and cold countries.
A)migrate
B)emigrate
C)transfer
D)commute
23.As visiting scholars,they _______willingly to the customs of the country they live in.
A)submit
B)commit
C)conform
D)subject
24.The professor found himself constantly_______ the question:“How could anyone do these things?"
A)poring
B)pondering
C)presiding
D)presuming
25.In those days,executives expected to spend most of their lives in the same firm and ,unless they were dismissed for_______ ,to retire at the age of 65.
A)denial
B)deduction
C)integrity
D)incompetence
26.Her jewelry_______ under the spotlights and she became the dominant figure at the ball.
A)blazed
B)dazzled
C)glared
D)glittered
27.Weeks ______before anyone was arrested in connection with the bank robbery.
A)elapsed
B)expired
C)overlapped
D)terminated
28.Often such arguments have the effect of ______rather than clarifying the issues involved.
A)blocking
B)obscuring
C)tackling
D)prejudicing
29.He raised his eyebrows and stuck his bead forward and _______it in a single nod,a gesture boys used then for O.K.when they were pleased.
A)jerked
B)twisted
C)shrugged
D)tugged
30.She had recently left a job and had helped herself to copies of the company's client data,which she intended to ______in starting her own business.
A)dwell on
B)base on
C)draw upon
D)come upon

十道英语选择题,四级左右难度.21.________that the demand for power continues to rise at the current rate,it will not be long before traditional sources become inadequate.A)ConcerningB)RegardingC)AscertainingD)Assuming22.We find that some b
21.A)Concerning sth ,关于什么事
22.A migrate,意思是候鸟的迁徙
23.C)conform.conform to固定词组,意思是遵从风俗习惯
24.B)pondering .ponder思考的意思
25.D)incompetence .be dismissed for incompetence因为不称职而遭解雇
26.D)glittered .glitter指(物体)闪耀,尤其用于修饰首饰一类
27.A)elapsed ,指时间的逝去
28.B,意思是“使得什么变得更加朦胧模糊”,从后句rather than clarifying the issues （不是澄清事实）可以看出
29.A)jerked one's head 抬头甩头的意思
30.draw upon 利用,因为她利用从原公司得到的数据开新公司
上述答案肯定都正确,