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In 1979 an extensive ______ program was in progress throughout Suez Canal.
A.A dredge and widen
B.dredged and widened
C.dredging and widening
D.being dredging and widening
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__________advance seems to be following advance on almost a monthly basis.
A.So rapid is the rate of progress that
B.Rapid as the rate of progress is that
C.So rapid is the rate of progress as
D.Rapid as the rate of progress as
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使进度条控件以条形方式显示的样式是？（）A、type=“？andriod：attr/progress Bar Style Horizontal”B、style=“？andriod：attr/progress Bar Style Horizontal”C、style=“？andriod：progress Bar Style Horizontal”D、type=“？andriod：progress Bar Style Horizontal”
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单选题Which substance is NOT considered to be Oil under the pollution prevention regulations? （）A
Petroleum and fuel oilB
SludgeC
Oil mixed with dredge spoilD
Oil refuse and oil mixed with wastes
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问答题Extensive new studies suggest that the world has made extraordinary progress in reducing poverty in recent decades.
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单选题During the day，a dredge will indicate the side on which it is safe to pass by displaying（）.A
two balls in a vertical lineB
two diamonds in a vertical lineC
a single black ballD
no shape is shown during the day
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单选题Mooring（）are placed on both banks of the Suez Canal about 200m apart．A
bollardsB
ballastsC
bandsD
benefits
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单选题The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.A
Amphibious training areasB
Grounds for dredge spoilC
Fish trap areasD
Gunnery exercise areas
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单选题I don’t think there is too much difference between transiting Suez Canal and panama Canal（）the tonnage certificate required.A
exceptB
except thatC
besideD
except for
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单选题In 1978,21989 vessels,including warships（）through the Suez Canal.A
passedB
passesC
passD
past
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单选题In 1979 an extensive（）program was in progress throughout Suez Canal.A
a dredge and widenB
dredged and widenedC
dredging and wideningD
being dredging and widening
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单选题Passage through the Suez Canal is operated on a（）systerm.A
conveyB
convoyC
escortD
conform
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单选题I undertake to bring to the notice of the Suez Canal Authorities，before my vessel（）the Canal，any defects which may appear.A
enters intoB
entersC
enters inD
enters to
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填空题The world’s most extensive research effort on climate change is now regulated by the U.S. Global Change Research Program.____
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单选题There is an extensive（） glacier system, endless forests, and innumerable lakes throughout this highland area.A
expansiveB
broadC
deepD
intense
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单选题But the fragile ecosystem could be hurt by a plan to dredge more than 23 miles of river at the delta’s southern end.A
flimsy B
optical C
marginal D
vacant
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