A.blue line
B.purple line
C.dashed blue line
D.alternate red and blue line
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A.used to measure the speed of wind
B.in which the pressure of the air is measured
C.that tells which direction a storm is coming from
D.used to measure the height of waves
A.it is above 70°F
B.the ground over which it moves is cooler than the air
C.it originated in a high pressure area
D.it originated in a low pressure area
A.steady rainfall
B.hail storms
C.thunderstorms
D.tornadoes or waterspouts
A.drops，and the temperature drops
B.drops，and the temperature rises
C.rises，and the temperature drops
D.rises，and the temperature rises
A.fluctuates
B.remains the same
C.remains the same，with clouds forming rapidly
D.rises，often quite rapidly，with clearing skies
最新試題
Of the following，（）is not a wind．
Widely spaced isobars on a weather map indicate（）.
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you，what winds can you expect in the Southern Hemisphere?（）.
Weather conditions in the middle latitudes generally move（）．
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
Which general weather conditions should you expect to find in a low pressure system（）.
The Beaufort scale is used to estimate the（）.
When observing a rapid rise in barometric pressure，you may expect（）.
Of the following，（）is not a wind.
OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that（）.