The low may suddenly deepen,and the cyclone intensify and pick up speed
The left semicircle may become the dangerous semicircle
The low and the high may merge and cancel out the weather characteristics of each
The high may force the cyclone to reverse its track
第1题:
A、has learned
B、had learned
C、would have learned
D、learned
第2题:
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of ______.
A.GALE WARNING
B.24 HOURS FORECAST
C.GENERAL SITUATION
D.TROPICAL CYCLONE WARNING
第3题:
A.had he entered
B.he entered
C.has he entered
D.he had entered
第4题:
A cyclone in its final stage of development is called a(n) ______.
A.tornado
B.anticyclone
C.occluded cyclone or occluded front
D.polar cyclone
第5题:
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars ________.
A.Hurricane
B.Tropical disturbance
C.Tropical depression
D.Cyclone
第6题:
After acceptance and formal transfer of information systems to customers, it has entered the stage of ().
A.preparation
B.operation and maintenance
C.development
D.Extinction
第7题:
______ are experienced in temperate latitudes during warm summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline.
A.Trade Winds
B.Winds of the temperate zones
C.Monsoons
D.Land and Sea Breezes
第8题:
What was scientists' understanding of cryptic species?
A.They occurred in equal numbers in all biogeographical regions.
B.They were mostly found in insects and reptiles.
C.They were likely to be in tropical rather than temperate regions.
D.Both B and C.
第9题:
What is the first visible indication of the presence of a tropical cyclone or hurricane ________.
A.Stratocumulus clouds or strange birds
B.Rain and increasing winds
C.An exceptionally long swell
D.Dark clouds and the“bar”of the storm
第10题: